Table 56 – Zilog Z80180 User Manual
Page 305
Z8018x
Family MPU User Manual
UM005003-0703
289
Table 56. Pin Status During RESET and LOW POWER OPERATION Modes
Symbol
Pin Function
Pin Status in Each Operation Mode
RESET
SLEEP
IOSTOP
SYSTEM
STOP
WAIT
—
IN (N)
IN (N)
IN (A)
IN (N)
BUSACK
—
1
OUT
OUT
OUT
BUSREQ
—
IN (N)
IN (A)
IN (A)
IN (A)
RESET
—
0
IN (A)
IN (A)
IN (A)
NMI
—
IN (N)
IN (A)
IN (A)
IN (A)
INT
0
—
IN (N)
IN (A)
IN (A)
IN (A)
INT
1
—
IN (N)
IN (A)
IN (A)
IN (A)
INT
2
—
IN (N)
IN (A)
IN (A)
IN (A)
ST
—
1
1
OUT
1
A0
–
A17, A19
—
Z
1
A
1
A18/TOUT
A18
Z
1
A
1
TOUT
Z
OUT
H
H
D0
–
D7
—
Z
Z
A
Z
RTS0
—
1
H
OUT
H
CTS0
—
IN (N)
IN (A)
IN (N)
N (N)
DCD0
—
IN (N)
IN (A)
IN (N)
IN (N)
TXA0
—
1
OUT
H
H
RXA0
—
IN (N)
IN (A)
IN (N)
IN (N)
CKA0/DREQ0 CKA0
(Internal Clock Mode)
Z
OUT
Z
Z