Zilog Z16C35 - Manual (Page 25)

ISCC
User Manual
UM011002-0808
19
2.4.2 SCC Cell Register Access, Non-Multiplexed Bus
The registers in the SCC cell in the non-multiplexed bus mode are accessed in a two-step
process, using a Register Pointer to perform the addressing. To access a particular register,
Table 2–3. SCC Cell Address Map, Multiplexed Bus Mode, Shift Right
Address
AD4-AD0
Write Read
00000 WR0B RR0B
00001 WR0A RR0A
00010 WR1B RR1B
00011 WR1A RR1A
00100 WR2 RR2B
00101 WR2 RR2A
00110 WR3B RR3B
00111 WR3A RR3A
01000 WR4B RR0B
01001 WR4A RR0A
01010 WR5B (RR1B)
01011 WR5A (RR1A)
01100 WR6B RR2B
01101 WR6A RR2A
01110 WR7B (RR3B)
01111 WR7A (RR3A)
10000 WR8B RR8B
10001 WR8A RR8A
10010 WR9 (RR13B)
10011 WR9 (RR13A)
10100 WR10B RR10B
10101 WR10A RR10A
10110 WR11B (RR15B)
10111 WR11A (RR15A)
11000 WR12B RR12B
11001 WR12A RR12A
11010 WR13B RR13B
11011 WR13A RR13A
11100 WR14B (RR10B)
11101 WR14A (RR10A)
11110 WR15B RR15B
11111 WR15A RR15A
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