z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 306
z80189
Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z80189.pdf
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Table 56.
UM005003-0703
Symbol
TXA1
RXA1
CKA1/TEND0 CKA1
TXS
RXS/CTS
CKS
DREQ
TEND
HALT
RFSH
IORQ
Z8018x
Family MPU User Manual
1
1
1
Pin Status During RESET and LOW POWER OPERATION Modes (Continued)
Pin Function
CKA0
(External Clock Mode)
DREQ0
—
—
(Internal Clock Mode)
CKA1
(External Clock Mode)
TEND0
—
RXS
CTS1
CKS
(Internal Clock Mode)
CKS
(External Clock Mode)
—
—
—
—
—
RESET
Z
Z
1
IN (N)
Z
Z
Z
1
IN (N)
IN (N)
Z
Z
IN (N)
1
1
1
1
Pin Status in Each Operation Mode
SLEEP
IN (A)
IN (N)
OUT
IN (A)
OUT
IN (A)
1
OUT
IN (A)
IN (A)
OUT
IN (A)
IN (N)
1
0
1
1
IOSTOP
IN (N)
IN (A)
H
IN (N)
Z
IN (N)
OUT
H
IN (N)
IN (N)
1
Z
IN (A)
OUT
OUT
OUT
OUT
SYSTEM
STOP
IN (N)
IN (N)
H
IN (N)
Z
IN (N)
1
H
IN (N)
IN (N)
1
Z
IN (N)
1
0
1
1
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