z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 40

• Manufacturer Part Number: z85230
• Description: Enhanced Serial Communications Controller
• Manufacturer: ZiLOG Semiconductor

Table 6. Z80X30 Register Map (Shift Right Mode)
PS005303-0907
Notes:
1. The register names in ( ) are the values read out from that register location.
2. WR15 bit D2 enables status FIFO function (not available on NMOS).
3. WR7’ bit D6 enables extend read function (only on ESCC).
AD4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AD3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Table 6
AD2
provides details of the Z80X30 Register Map in SHIFT RIGHT mode.
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
AD1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
AD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
WR10B
WR10A
WR11B
WR11A
WR12B
WR12A
WR13B
WR13A
WR14B
WR14A
WR15B
WR15A
WR0A
WR1B
WR1A
WR3B
WR3A
WR4B
WR4A
WR5B
WR5A
WR6B
WR6A
WR7B
WR7A
WR8B
WR8A
WR08
Write
WR2
WR2
WR9
WR9
WR15 D2=0
(RR13B)
(RR13A)
(RR15B)
(RR15A)
(RR0B)
(RR0A)
(RR1B)
(RR1A)
(RR2B)
(RR2A)
(RR3B)
(RR3A)
RR10B
RR10A
RR12B
RR12B
RR13B
RR13A
RR12B
RR12B
RR13B
RR13A
RR0B
RR0A
RR1B
RR1A
RR2B
RR2A
RR3B
RR3A
RR8B
RR8A
80230
WR15 D2=1
Product Specification
(RR13B)
(RR13A)
(RR15B)
(RR15A)
(RR1A))
(RR0B)
(RR0A)
(RR1B)
RR12B
RR13B
RR14B
RR15B
RR10B
RR10A
RR12B
RR12B
RR13B
RR13A
RR12B
RR12B
RR13B
RR13A
80230
RR0B
RR0A
RR1B
RR1A
RR2B
RR2A
RR3B
RR3A
RR8B
RR8A
Z85230/Z80230
WR15 D2=1
WR7’ D6=1
Programming
(WR10B)
(WR10A)
(WR7’B)
(WR7’B)
(WR7’B)
(WR4B)
(WR4A)
(WR5B)
(WR5A)
(WR3B)
(WR3A)
RR12B
RR13B
RR15B
RR10B
RR10A
RR12B
RR12B
RR13B
RR13A
RR13B
RR13A
80230
RR0B
RR0A
RR1B
RR1A
RR2B
RR2A
RR3B
RR3A
RR8B
RR8A
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