D-85

v-5.3.2
---
1. sender => with custom code
2. receiver => v-5.3.2 (receive custom code, 4-bit)

            ==> done
D-85

v-5.3.2a
---
1. sender => with custom code (8 bits)
2. receiver => v-5.3.2 (receive custom code, 4-bit)

            ==> done