12345678AA

VCC_1V8

VCC__EXTCOP1P1
1 PIP101
2 PIP102
3 PIP103

COCN3CN35PICN305
7PICN307
9PICN309
11PICN3011

BTMS
BTCK
BTRST
BTDI

1PICN301

GND
4PICN304
GND
13PICN3013
GND

Header 32
EMU PICN302
6TMS PICN306
8TCK PICN308
10
TRST PICN3010
12TDI PICN3012
14PICN3014
TDO

JTAG_EMU#JTAG_TMS
JTAG_TCKJTAG_TRST#JTAGA_TDIJTAGA_TDO
PIN31
PIN33

XG4C-1431

PIN37
PIN39
PIN41
PIN43
PIN45
PIN47
PIN49
PIN51

GND

B

PIN55
PIN57
PIN59PIN61PIN63PIN65PIN67PIN69PIN73PIN75
PIN77
PIN79PIN81PIN83PIN85
PIN87
PIN91
PIN93PIN95
PIN97PIN99

VCC_3V3 COU1AU1A12PIU101 VCC_PWR
GND PIU10234PIU103 VCC_PWR
GND PIU10456PIU105 VCC_USB
GND PIU10678PIU107 VCC_USB
GND PIU108910PIU109 VCC_EXTGND PIU1010
1112PIU1011 VCC_EXT
FLASH_WP PIU1012
1314PIU1013 VCC_1V8PIU1014
RESET_IN
1516PIU1015
VCC_1V8RESET_OUT PIU1016
1718PIU1017 GND
GND PIU1018
1920PIU1019
JTAG_EMUSYS_FAULT PIU1020
2122
PIU1021
PIU1022
JTAG_TMSSYS_FAULT
2324
PIU1023
JTAG_TCKSYS_NMI_RESOUT PIU1024
2526PIU1025 JTAG_TRST
USB0_VBC PIU1026
2728PIU1027
JTAG_TDI
USB0_VBUS PIU1028
2930
PIU1029
PIU1030
JTAG_TDO
USB0_ID
3132
PIU1031
PB_13/ETH0_TXEN/EPPI1_FS1/TM0_ACI6
USB0_DP PIU1032
33
34
PIU1033
PB_15/ETH0_PTPPPS/EPPI1_FS3
USB0_DM PIU1034
3536
PIU1035 GND
GND PIU1036
3738
PIU1037 PB_11/SMC0_A25/SPT0_BD0/TM0_ACLK3PB_12/SMC0_BG/SPT0_BTDV/SPT0_AD1/TM0_ACLK1 PIU1038
3940PIU1039 PB_08/SMC0_A23/EPPI2_D17/SPT0_BCLK
PB_14/ETH0_REFCLK/EPPI1_CLK PIU10404142PIU1041 PA_15/SMC0_A20/EPPI2_D15/LP1_D7PB_09/SMC0_BGH/SPT0_AD0/TM0_ACLK2 PIU1042
4344PIU1043 PA_13/SMC0_A18/EPPI2_D13/LP1_D5
PA_11/SMC0_A15/EPPI2_D11/LP1_D3 PIU1044
4546PIU1045 PA_09/SMC0_A12/EPPI2_D09/LP1_D1
PB_06/SMC0_A21/SPT0_ATDV/TM0_ACLK4 PIU10464748PIU1047 PB_10/SMC0_A24/SPT0_BD1/TM0_ACLK0
PA_07/SMC0_A10/EPPI2_D07/LP0_D7 PIU1048
4950PIU1049 PB_07/SMC0_A22/EPPI2_D16/SPT0_BFS
PB_05/SMC0_AMS3/SMC0_ABE1/SPT0_ACLK PIU1050
5152
PIU1051 PA_14/SMC0_A19/EPPI2_D14/LP1_D6PIU1052
PA_05/SMC0_A08/EPPI2_D05/LP0_D55354
PIU1053
GND
GND PIU1054
5556
PIU1055 PA_12/SMC0_A17/EPPI2_D12/LP1_D4
PA_03/SMC0_A06/EPPI2_D03/LP0_D3 PIU1056
5758
PIU1057
PA_10/SMC0_A14/EPPI2_D10/LP1_D2PB_04/SMC0_AMS2/SMC0_ABE0/SPT0_AFS PIU1058
5960
PIU1059PIU1060
PA_08/SMC0_A11/EPPI2_D08/LP1_D0
PA_01/SMC0_A04/EPPI2_D01/LP0_D16162PIU1061
PA_06/SMC0_A09/EPPI2_D06/LP0_D6
PB_03/SMC0_A16/EPPI2_FS3/LP1_CLK PIU10626364
PIU1063 PA_04/SMC0_A07/EPPI2_D04/LP0_D4
SMC0_A2 PIU1064
6566
PIU1065
PA_02/SMC0_A05/EPPI2_D02/LP0_D2
PB_02/SMC0_A13/EPPI2_FS2/LP1_ACK PIU1066
6768
PIU1067
PIU1068
PA_00/SMC0_A03/EPPI2_D00/LP0_D0SMC0_D16970
PIU1069
SMC0_A1PB_01/SMC0_AMS1/EPPI2_FS1/LP0_ACK PIU10707172
PIU1071 GND
GND PIU10727374
PIU1073 SMC0_D0
PB_00/SMC0_NORCLK/EPPI2_CLK/LP0_CLK PIU10747576
PIU1075 SMC0_AMS0
SMC0_D15 PIU1076
7778
PIU1077 SMC0_D3
SMC0_BR PIU1078
7980
PIU1079 SMC0_D4
SMC0_D9 PIU1080
8182
PIU1081 SMC0_D7
SMC0_D6 PIU1082
8384
PIU1083 SMC0_D10
SMC0_D2 PIU1084
8586
PIU1085 SMC0_AWE
SMC0_D12 PIU1086
8788
PIU1087 TWI1_SDA
SMC0_D13 PIU1088
89
90
PIU1089 GND
PIU1090
GND9192
PIU1091 TWI0_SCL
SMC0_D5 PIU10929394
PIU1093 TWI0_SDA
SMC0_ARE PIU10949596
PIU1095
SMC0_ARDY
SMC0_D8 PIU1096
9798
PIU1097
PIU1098
SMC0_D14
SMC0_D1199100
PIU1099
TWI1_SCL
SMC0_AOE PIU10100

VCC_1V8

VCC__EXTVCC_3V3

2 PICN102
4 PICN104
6 PICN106
PICN107 78 PICN108
PICN109 910 PICN1010
PICN1011 11 12 PICN1012
PICN1013 13 14 PICN1014
PICN1015 15 16 PICN1016
PICN1017 17 18 PICN1018
PICN1019 19 20 PICN1020
PICN1021 21 22 PICN1022
PICN1023 23 24 PICN1024
PICN1025 25 26 PICN1026
PICN1027 27 28 PICN1028
PICN1029 29 30 PICN1030
PICN1031 31 32 PICN1032
PICN1033
33 34 PICN1034
PICN1035 35 36 PICN1036
PICN1037 37 38 PICN1038
PICN1039 39 40 PICN1040
PICN1041 41 42 PICN1042
PICN1043 43 44 PICN1044
PICN1045 45 46 PICN1046
PICN1047 47 48 PICN1048
PICN1049 49 50 PICN1050
PICN1051 51 52 PICN1052
PICN1053 53 54 PICN1054
PICN1055 55 56 PICN1056
PICN1057 57 58 PICN1058
PICN1059 59 60 PICN1060
PICN1061 61 62 PICN1062
PICN1063 63 64 PICN1064
PICN1065 65 66 PICN1066PICN1067 67 68 PICN1068
PICN1069
69 70 PICN1070
PICN1071 71 72 PICN1072
PICN1073 73 74 PICN1074
PICN1075 75 76 PICN1076
PICN1077 77 78 PICN1078
PICN1079 79 80 PICN1080
PICN1081 81 82 PICN1082
PICN1083 83 84 PICN1084
PICN1085 85 86 PICN1086
PICN1087 87 88 PICN1088
PICN1089 89 90 PICN1090
PICN1091 91 92 PICN1092
PICN1093 93 94 PICN1094
PICN1095 95 96 PICN1096
PICN1097 97 98 PICN1098
PICN1099 99 100 PICN10100
PICN103 3
PICN105 5

VCC__EXT
PIN12
PIN14
PIN16
PIN20
PIN22
PIN24PIN26PIN28PIN30PIN32PIN34PIR102
COR1R1DNPPIR1014.7k

PIR202NLJTAG0EMU#JTAG_EMU#NLJTAG0TMSJTAG_TMSNLJTAG0TCKJTAG_TCKNLJTAG0TRST#JTAG_TRST#NLJTAGA0TDIJTAGA_TDINLJTAGA0TDOJTAGA_TDO
NLPIN31PIN31NLPIN33PIN33

COR2R2DNPPIR2014.7k
GND

PIN38PIN40PIN42PIN44PIN46PIN48PIN50PIN52NLPIN37PIN37
NLPIN39PIN39NLPIN41PIN41
NLPIN43PIN43NLPIN45PIN45NLPIN47PIN47NLPIN49PIN49
NLPIN51PIN51PIN56PIN58PIN60PIN62PIN64PIN66PIN68
PIN70

NLPIN55PIN55NLPIN57
PIN57
NLPIN59PIN59NLPIN61PIN61NLPIN63PIN63
NLPIN65
PIN65
NLPIN67PIN67
NLPIN69
PIN69

PIN74
PIN76
PIN78
PIN80
PIN82
PIN84
PIN86
PIN88

NLPIN73PIN73NLPIN75
PIN75
NLPIN77PIN77
NLPIN79
PIN79
NLPIN81PIN81NLPIN83
PIN83
NLPIN85
PIN85
PIN87
NLPIN87

PIN92
PIN94
PIN96
PIN98
PIN100NLPIN91
PIN91
NLPIN93PIN93NLPIN95
PIN95
NLPIN97PIN97
NLPIN99
PIN99

UCB-BF609

CGND

DNo.

GND年 月 日

訂正記事担当設 計

開発型式名DATEREVISIONSIGNDESIGNEDMODEL

名 称

2NAME

印刷日時PRINT

金子システム株式会社

製図記事
DATE3

NLPIN20PIN20NLPIN22PIN22NLPIN24PIN24NLPIN26PIN26NLPIN28PIN28NLPIN30PIN30NLPIN32PIN32
NLPIN34PIN34NLPIN38PIN38NLPIN40PIN40NLPIN42PIN42NLPIN44PIN44NLPIN46PIN46
NLPIN48PIN48
NLPIN50PIN50NLPIN52PIN52B

NLPIN56PIN56NLPIN58
PIN58
NLPIN60PIN60NLPIN62PIN62NLPIN64PIN64NLPIN66PIN66
NLPIN68
PIN68
NLPIN70PIN70
NLPIN74PIN74
NLPIN76
PIN76NLPIN78
PIN78
NLPIN80PIN80
NLPIN82PIN82
NLPIN84
PIN84
NLPIN86
PIN86
PIN88
NLPIN88
NLPIN92
PIN92
NLPIN94PIN94NLPIN96PIN96
NLPIN98
PIN98
NLPIN100
PIN100CGND

DBB1-BF609-A

金子

12

NLPIN12PIN12NLPIN14PIN14NLPIN16PIN16HEADER 2X50

GND

1COCN1
CN1

PICN101 145検2014/05/14

UCB-BF609 Section A

図CHECKED*2013/01/30
6

図面番号
DWG.No.

BB1-BF609-A-01
71

Sheetof 2812345678AA

PIN101
PIN103
PIN105
PIN107
PIN109
PIN111
PIN113
PIN115
PIN119
PIN121
PIN123PIN125
PIN127
PIN129
PIN131
PIN133
PIN137
PIN139
PIN141
PIN143
PIN145
PIN147
PIN149
PIN151

B

PIN155
PIN159PIN161
PIN163
PIN165
PIN167
PIN169
PIN173
PIN175
PIN177
PIN179
PIN181
PIN183
PIN185
PIN187
PIN191
PIN193
PIN195
PIN197
PIN199CCOU1B
U1B
101102
PD_08/UART0_RX/TM0_ACI0
SYS_BMODE2 PIU10102
103
104
SYS_PWRGD
SYS_BMODE1 PIU10104
105
106
PIU10105 EXTWAKEPIU10106
SYS_BMODE0107
108
PIU10107
PC_01/ETH0_RXD1/EPPI1_D01
GND PIU10108
109110
PIU10109 SYS_CLKOUT
PD_06/EPPI1_FS2/TM0_ACI5 PIU10110
111112
PIU10111
PC_03/ETH0_TXD1/EPPI1_D03
PD_07/UART0_TX/TM0_ACI3 PIU10112
113
114
PIU10113
PIU10114
PD_09/SPI0_SEL5/UART0_RTS/SPI1_SEL4
PC_05/ETH0_CRS/EPPI1_D05
115
116
PIU10115
PD_10/SPI0_RDY/UART0_CTS/SPI1_SEL3
PC_07/ETH0_MDIO/EPPI1_D07 PIU10116
117118
PIU10117 GND
GND PIU10118
119120
PIU10119
PC_13/SPI0_SEL6/EPPI1_D13/ETH_PTPCLKIN
PC_09/ETH1_PTPPPS/EPPI1_D09 PIU10120
121
122
PIU10121
PIU10122
PD_12/SPI1_SEL1/EPPI0_D20/SPT1_AD1/SPI1_SS
PC_11/EPPI1_D11/ETH_PTPAUXIN
123
124
PIU10123
SPI0_MISO
PC_15/SPI0_SEL4/EPPI1_D15 PIU10124
125
126
PIU10125
PD_15/SPI1_SEL2/EPPI0_D21/SPT1_AD0
PD_01/SPI0_D3/EPPI1_D17/SPI0_SEL2 PIU10126
127
128
PIU10127 PE_03/EPPI0_D16/ACM0_FS/SPT1_BFS
PD_13/SPI1_MOSI/TM0_ACLK5 PIU10128
129
130
PIU10129 PE_02/SPI1_RDY/EPPI0_D22/SPT1_ACLK
PE_00/SPI1_D3/EPPI0_D18/SPT1_BD1 PIU10130
131
132
PIU10131 PF_14/ACM0_A0/EPPI0_D14/LP3_D6
PC_00/ETH0_RXD0/EPPI1_D00 PIU10132
133134PIU10133 PF_12/ACM0_A2/EPPI0_D12/LP3_D4
PC_02/ETH0_TXD0/EPPI1_D02 PIU10134
135136
PIU10135 GND
GND PIU10136
137
138
PIU10137 PE_05/EPPI0_D23/SPT1_AFS
PC_04/EPPI1_D04 PIU10138
139
140
PIU10139 PF_10/ACM0_A4/EPPI0_D10/LP3_D2
PC_06/ETH0_MDC/EPPI1_D06 PIU10140
141
142
PIU10141 PE_06/SPT1_ATDV/EPPI0_FS3/LP3_CLK
PC_08/EPPI1_D08 PIU10142
143
144
PIU10143 PF_08/SPI1_SEL5/EPPI0_D08/LP3_D0PIU10144
PC_10/EPPI1_D10145
146
PIU10145
PE_07/SPT1_BTDV/EPPI0_FS2/LP3_ACK
PC_12/SPI0_SEL7/EPPI1_D12 PIU10146
147
148
PIU10147 PF_06/PWM0_DL/EPPI0_D06/LP2_D6
PC_14/SPI1_SEL7/EPPI1_D14 PIU10148
149
150
PIU10149
PE_08/PWM0_SYNC/EPPI0_FS1/LP2_ACK/ACM0_T0
PD_00/SPI0_D2/EPPI1_D16/SPI0_SEL3 PIU10150
151
152
PIU10151
PIU10152
PE_09/EPPI0_CLK/LP2_CLK/PWM0_TRIP0
SPI0_SCK
153
154
PIU10153
GND
GND PIU10154
155
156
PIU10155 PF_04/PWM0_CL/EPPI0_D04/LP2_D4
SPI0_MOSI PIU10156
157
158
PIU10157
GND
PD_05/SPI1_CLK/TM0_ACLK7 PIU10158
159
160
PIU10159
PIU10160
SYS_TDK
PD_14/SPI1_MISO/TM0_ACLK6161
162
PIU10161
SYS_TDA
PE_01/SPI1_D2/EPPI0_D19/SPT1_BD0 PIU10162
163
164
PIU10163 VCC_TD
PE_04/EPPI0_D17/ACM0_CLK/SPT1_BCLK PIU10164
165
166
PIU10165 PF_02/PWM0_BL/EPPI0_D02/LP2_D2
PF_15/ACM0_A1/EPPI0_D15/LP3_D7 PIU10166
167
168
PIU10167 PF_00/PWM0_AL/EPPI0_D00/LP2_D0
PF_13/ACM0_A3/EPPI0_D13/LP3_D5 PIU10168
169
170
PIU10169 PE_12/PWM1_CL/RSI0_D5
PF_11/EPPI0_D11/LP3_D3/PWM0_TRIP1 PIU10170
171
172
PIU10171 GND
GND PIU10172
173
174
PIU10173 PG_00/ETH1_RXD0/PWM1_BH/RSI0_D2
PF_09/SPI1_SEL6/EPPI0_D09/LP3_D1 PIU10174
175
176
PIU10175 PE_15/ETH1_RXD1/PWM1_BL/RSI0_D3
PF_07/PWM0_DH/EPPI0_D07/LP2_D7 PIU10176
177
178
PIU10177 PE_10/ETH1_MDC/PWM1_DL/RSI0_D6
PF_05/PWM0_CH/EPPI0_D05/LP2_D5 PIU10178
179
180
PIU10179 PE_14/SPT2_ATDV/TM0_TMR0PF_03/PWM0_BH/EPPI0_D03/LP2_D3 PIU10180
181
182
PIU10181 PG_05/ETH1_TXEN/RSI0_CMD/PWM1_SYNC/ACM0_T1 PF_01/PWM0_AH/EPPI0_D01/LP2_D1 PIU10182
183
184
PIU10183 PE_11/ETH1_MDIO/PWM1_DH/RSI0_D7
PE_13/ETH1_CRS/PWM1_CH/RSI0_D4 PIU10184
185
186
PIU10185 PG_08/SPT2_AD1/TM0_TMR3/PWM1_TRIP1
PG_03/ETH1_TXD0/PWM1_AH/RSI0_D0 PIU10186
187
188
PIU10187
PG_09/SPT2_AD0/TM0_TMR4
PG_06/ETH1_REFCLK/RSI0_CLK/SPT2_BTDV/PWM1_TRIP0 PIU10188
189
190
PIU10189
PIU10190
GNDGND191
192
PIU10191
PG_01/SPT2_AFS/TM0_TMR2/CAN0_TX
PG_02/ETH1_TXD1/PWM1_AL/RSI0_D1 PIU10192
193
194
PIU10193 PG_07/SPT2_BFS/TM0_TMR5/CNT0_ZM
PG_12/SPT2_BD0/TM0_TMR7/CNT0_DG PIU10194
195
196
PIU10195
PG_04/SPT2_ACLK/TM0_TMR1/CAN0_RX/TM0_ACI2PG_14/UART1_RX/SYS_IDLE1/TM0_ACI1 PIU10196
197
198
PIU10197 PG_13/UART1_CTS/TM0_CLK
PG_15/UART1_TX/SYS_IDLE0/SYS_SLEEP/TM0_ACI4 PIU10198
199
200
PIU10199 PG_11/SPT2_BD1/TM0_TMR6/CNT0_UD
PG_10/UART1_RTS/SPT2_BCLK PIU10200

PIN110
PIN112
PIN114
PIN116NLPIN101
PIN101NLPIN103
PIN103
NLPIN105
PIN105NLPIN107
PIN107NLPIN109PIN109
NLPIN111
PIN111NLPIN113
PIN113
NLPIN115
PIN115

PIN120
PIN122
PIN124
PIN126
PIN128
PIN130
PIN132
PIN134

NLPIN119PIN119NLPIN121
PIN121NLPIN123
PIN123
NLPIN125
PIN125NLPIN127
PIN127NLPIN129
PIN129NLPIN131
PIN131NLPIN133
PIN133

PIN138
PIN140
PIN142
PIN144
PIN146
PIN148
PIN150
PIN152NLPIN137
PIN137NLPIN139
PIN139NLPIN141
PIN141NLPIN143
PIN143
NLPIN145
PIN145NLPIN147
PIN147NLPIN149
PIN149NLPIN151
PIN151

PIN156
PIN158
PIN160
PIN162
PIN164
PIN166
PIN168
PIN170NLPIN155
PIN155

PIN174
PIN176
PIN178
PIN180
PIN182
PIN184
PIN186
PIN188NLPIN173
PIN173
NLPIN175
PIN175NLPIN177
PIN177
PIN179NLPIN179
NLPIN181
PIN181NLPIN183
PIN183
NLPIN185
PIN185NLPIN187
PIN187

PIN192
PIN194
PIN196
PIN198
PIN200NLPIN191
PIN191NLPIN193
PIN193
NLPIN195
PIN195NLPIN197
PIN197NLPIN199
PIN199

PIN102
PIN104
PIN106

PIU10101
PIU10103

COCN2CN212 PICN202
34 PICN204
56 PICN206
PICN207 7
8 PICN208
PICN209 9
10 PICN2010
PICN2011 11 12 PICN2012
PICN2013 13 14 PICN2014
PICN2015 15 16 PICN2016
PICN2017 17 18 PICN2018
PICN2019 19 20 PICN2020
PICN2021 21 22 PICN2022
PICN2023 23 24 PICN2024
PICN2025
25 26 PICN2026
PICN2027 27 28 PICN2028
PICN2029 29 30 PICN2030
PICN2031 31 32 PICN2032
PICN2033 33 34 PICN2034
PICN2035 35 36 PICN2036
PICN2037 37 38 PICN2038
PICN2039 39 40 PICN2040
PICN2041 41 42 PICN2042
PICN2043 43 44 PICN2044
PICN2045 45 46 PICN2046
PICN2047 47 48 PICN2048
PICN2049 49 50 PICN2050
PICN2051 51 52 PICN2052
PICN2053 53 54 PICN2054
PICN2055 55 56 PICN2056
PICN2057 57 58 PICN2058
PICN2059 59 60 PICN2060
PICN206161 62 PICN2062
PICN2063 63 64 PICN2064
PICN2065 65 66 PICN2066
PICN2067 67 68 PICN2068
PICN2069 69 70 PICN2070
PICN2071 71 72 PICN2072
PICN2073 73 74 PICN2074
PICN2075 75 76 PICN2076
PICN2077 77 78 PICN2078
PICN2079 79 80 PICN2080
PICN2081 81 82 PICN2082
PICN2083 83 84 PICN2084
PICN2085 85 86 PICN2086
PICN2087 87 88 PICN2088
PICN2089 89 90 PICN2090
PICN2091 91 92 PICN2092
PICN2093 93 94 PICN2094
PICN2095 95 96 PICN2096
PICN2097 97 98 PICN2098
PICN2099 99 100 PICN20100
PICN201
PICN203
PICN205

NLPIN159
PIN159NLPIN161
PIN161NLPIN163
PIN163
NLPIN165
PIN165NLPIN167
PIN167NLPIN169
PIN169UCB-BF609
GND

DNo.

GND

NLPIN120
PIN120NLPIN122
PIN122NLPIN124
PIN124
NLPIN126
PIN126NLPIN128
PIN128NLPIN130
PIN130NLPIN132
PIN132NLPIN134
PIN134
NLPIN138
PIN138NLPIN140
PIN140NLPIN142
PIN142NLPIN144
PIN144
NLPIN146
PIN146NLPIN148
PIN148NLPIN150
PIN150NLPIN152
PIN152B

NLPIN156
PIN156NLPIN158
PIN158NLPIN160
PIN160NLPIN162
PIN162NLPIN164
PIN164
NLPIN166
PIN166NLPIN168
PIN168NLPIN170
PIN170NLPIN174
PIN174
NLPIN176
PIN176NLPIN178
PIN178
PIN180NLPIN180
NLPIN182
PIN182NLPIN184
PIN184
NLPIN186
PIN186NLPIN188
PIN188NLPIN192
PIN192NLPIN194
PIN194
NLPIN196
PIN196NLPIN198
PIN198NLPIN200
PIN200

C

訂正記事

担当

設 計

開発型式名

DATE

REVISIONSIGN

DESIGNED

MODEL

D

BB1-BF609-A

金子
名 称

2NAME

印刷日時
PRINT

金子システム株式会社

製図記事
DATE

3

GND

年 月 日

12

NLPIN110
PIN110NLPIN112
PIN112NLPIN114
PIN114
NLPIN116
PIN116HEADER 2X50

GND

1NLPIN102
PIN102NLPIN104
PIN104
NLPIN106
PIN10645検2014/05/14

UCB-BF609 Section B

図CHECKED*2013/01/30
6

図面番号
DWG.No.

BB1-BF609-A-02
7

2

Sheetof 28