Zilog Z80180 User Manual
Page 306
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Z8018x
Family MPU User Manual
290
UM005003-0703
CKA0
(External Clock Mode)
Z
IN (A)
IN (N)
IN (N)
DREQ0
Z
IN (N)
IN (A)
IN (N)
TXA1
—
1
OUT
H
H
RXA1
—
IN (N)
IN (A)
IN (N)
IN (N)
CKA1/TEND0 CKA1
(Internal Clock Mode)
Z
OUT
Z
Z
CKA1
(External Clock Mode)
Z
IN (A)
IN (N)
IN (N)
TEND0
Z
1
OUT
1
TXS
—
1
OUT
H
H
RXS/CTS
1
RXS
IN (N)
IN (A)
IN (N)
IN (N)
CTS1
IN (N)
IN (A)
IN (N)
IN (N)
CKS
CKS
(Internal Clock Mode)
Z
OUT
1
1
CKS
(External Clock Mode)
Z
IN (A)
Z
Z
DREQ
1
—
IN (N)
IN (N)
IN (A)
IN (N)
TEND
1
—
1
1
OUT
1
HALT
—
1
0
OUT
0
RFSH
—
1
1
OUT
1
IORQ
—
1
1
OUT
1
Table 56. Pin Status During RESET and LOW POWER OPERATION Modes (Continued)
Symbol
Pin Function
Pin Status in Each Operation Mode
RESET
SLEEP
IOSTOP
SYSTEM
STOP
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