z85230 ZiLOG Semiconductor, z85230 Datasheet - Page 39

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

Table 5. Z80230 Register Map (Shift Left Mode) (Continued)
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).
AD5
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AD4
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
AD3
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
AD2
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
AD1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
WR12B
WR13B
WR14B
WR15B
WR10A
WR11A
WR12A
WR13A
WR14A
WR15A
WR0A
WR1A
WR3A
WR4A
WR5A
WR6A
WR7A
WR8A
Write
WR2
WR9
WR15 D2=0
(RR13A)
(RR15A)
(RR0A)
(RR1A)
(RR2A)
(RR3A)
RR12B
RR13B
RR14B
RR15B
RR10A
RR12A
RR13A
RR14A
RR15A
RR0A
RR1A
RR2A
RR3A
RR8A
80230
WR15 D2=1
Product Specification
(RR13A)
(RR15A)
(RR0A)
(RR1A)
RR12B
RR13B
RR14B
RR15B
RR10A
RR12A
RR13A
RR14A
RR15A
80230
RR0A
RR1A
RR2A
RR3A
RR6A
RR7A
RR8A
Z85230/Z80230
WR15 D2=1
WR7’ D6=1
Programming
(WR10A)
(WR7’B)
(WR7’A)
(WR4A)
(WR5A)
(WR3A)
RR12B
RR13B
RR15B
RR10A
RR12A
RR13A
RR15A
80230
RR0A
RR1A
RR2A
RR3A
RR6A
RR7A
RR8A
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