Z80182 Zilog., Z80182 Datasheet - Page 29

• Manufacturer Part Number: Z80182
• Description: Z8018x Family MPU
• Manufacturer: Zilog.

Z182 MPU CONTROL REGISTERS
Figures 10 through 50 refer to the Z80182/Z8L182 MPU
Control registers. For additional information, refer to the
Z8S180 Product Specification and Technical Manual.
ASCI CHANNELS CONTROL REGISTERS
DS971820600
Zilog
Upon RESET
R/W
Bit
CNTLA0
MPE
R/W
0
R/W
RE
0
Figure 10a. ASCI Control Register A (Ch. 0)
R/W
TE
0
/RTS0
R/W
1
P R E L I M I N A R Y
MPBR/
R/W
EFR
x
MOD2 MOD1 MOD0
R/W
0
0
0
0
0
1
1
1
1
R/W
0
0
0
1
1
0
0
1
1
Addr 00H
R/W
0
0 Start + 7-Bit Data + 1 Stop
1 Start + 7-Bit Data + 2 Stop
0 Start + 7-Bit Data + Parity + 1 Stop
1 Start + 7-Bit Data + Parity + 2 Stop
0 Start + 8-Bit Data + 1 Stop
1 Start + 8-Bit Data + 2 Stop
0 Start + 8-Bit Data + Parity + 1 Stop
1 Start + 8-Bit Data + Parity + 2 Stop
MODE Selection
Read - Multiprocessor Bit Receive
Write - Error Flag Reset
Request To Send
Transmit Enable
Receive Enable
Multiprocessor Enable
Z
ILOG
I
NTELLIGENT
Z80182/Z8L182
P
ERIPHERAL
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