Z80180 Datasheet, PDF (306/326 Pages) Zilog, Inc. – Z8018x Family MPU

Z 8018x Fam ily
M PU Us e r M anual
290
Table 56. Pin Status During RESET and LOW POWER OPERATION Modes (Continued)
Pin Status in Each Operation Mode
Symbol
Pin Function
RESET
CKA0
Z
(External Clock Mode)
DREQ0
Z
TXA1
—
1
RXA1
—
IN (N)
CKA1/TEND0 CKA1
Z
(Internal Clock Mode)
CKA1
Z
(External Clock Mode)
TEND0
Z
TXS
—
1
RXS/CTS₁
RXS
CTS1
IN (N)
IN (N)
CKS
CKS
Z
(Internal Clock Mode)
DREQ₁
TEND₁
HALT
CKS
Z
(External Clock Mode)
—
IN (N)
—
1
—
1
RFSH
—
1
IORQ
—
1
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)
SYSTEM
STOP
IN (N)
IN (A)
H
IN (N)
Z
IN (N)
H
IN (N)
Z
IN (N)
IN (N)
OUT
H
IN (N)
IN (N)
1
1
H
IN (N)
IN (N)
1
Z
Z
IN (A)
OUT
OUT
OUT
OUT
IN (N)
1
0
1
1
UM005001-ZMP0400