z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 307

• Manufacturer Part Number: z80189
• Description: Z80180, Z8s180, Z8l180 Mpu Operation
• Manufacturer: ZiLOG Semiconductor

Table 56.
Symbol
MREQ
E
M1
WR
RD
Phi
Pin Status During RESET and LOW POWER OPERATION Modes (Continued)
Pin Function
—
—
—
—
—
—
•
•
•
•
1: HIGH 0: LOW A: Programmable Z: High Impedance
IN (A): Input (Active) IN (N): Input (Not active) OUT: Output
H: Holds the previous state
¬
: same as the left
RESET
1
0
1
1
1
Phi
Output
Clock
Pin Status in Each Operation Mode
SLEEP
1
E Clock
Output
1
1
1
¬
Family MPU User Manual
IOSTOP
OUT
¬
OUT
OUT
OUT
¬
UM005003-0703
SYSTEM
STOP
1
¬
1
1
1
¬
Z8018x
291