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Z85233 Datasheet(PDF) 32 Page - Zilog, Inc.

Part # Z85233
Description  The Zilog SCC Serial Communication Controller
PDF  317 Pages
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Manufacturer  ZILOG [Zilog, Inc.]
Direct Link  http://www.zilog.com
Logo ZILOG - Zilog, Inc.

Z85233 Datasheet(HTML) 32 Page - Zilog, Inc.

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SCC™/ESCC™ User’s Manual
Interfacing the SCC/ESCC
2-13
2
Table 2-5. Z85X30 Register Map
A//B
PNT2
PNT1
PNT0
WRITE
Read 8530
85C30/230
WR15 D2 = 0
85C30/230
WR15 D2=1
WR15 D2=1
WR7' D6=1
0000
WR0B
RR0B
RR0B
RR0B
0001
WR1B
RR1B
RR1B
RR1B
0010
WR2
RR2B
RR2B
RR2B
0011
WR3B
RR3B
RR3B
RR3B
0100
WR4B
(RR0B)
(RR0B)
(WR4B)
0101
WR5B
(RR1B)
(RR1B)
(WR5B)
0110
WR6B
(RR2B)
RR6B
RR6B
0111
WR7B
(RR3B)
RR7B
RR7B
1000
WR0A
RR0A
RR0A
RR0A
1001
WR1A
RR1A
RR1A
RR1A
1010
WR2
RR2A
RR2A
RR2A
1011
WR3A
RR3A
RR3A
RR3A
1100
WR4A
(RR0A)
(RR0A)
(WR4A)
1101
WR5A
(RR1A)
(RR1A)
(WR5A)
1110
WR6A
(RR2A)
RR6A
RR6A
1111
WR7A
(RR3A)
RR7A
RR7A
With Point High Command
0000
WR8B
RR8B
RR8B
RR8B
0001
WR9
(RR13B)
(RR13B)
(WR3B)
0010
WR10B
RR10B
RR10B
RR10B
0011
WR11B
(RR15B)
(RR15B)
(WR10B)
0100
WR12B
RR12B
RR12B
RR12B
0101
WR13B
RR13B
RR13B
RR13B
0110
WR14B
RR14B
RR14B
(WR7’B)
0111
WR15B
RR15B
RR15B
RR15B
1000
WR8A
RR8A
RR8A
RR8A
1001
WR9
(RR13A)
(RR13A)
(WR3A)
1010
WR10A
RR10A
RR10A
RR10A
1011
WR11A
(RR15A)
(RR15A)
(WR10A)
1100
WR12A
RR12A
RR12A
RR12A
1101
WR13A
RR13A
RR13A
RR13A
1110
WR14A
RR14A
RR14A
(WR7’A)
1111
WR15A
RR15A
RR15A
RR15A
Notes:
WR15 bit D2 enables status FIFO function. (Not available on NMOS)
WR7' bit D6 enables extend read function. (Only on ESCC and 85C30)
UM010901-0601



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