Z8018x Family
MPU User Manual
288
Table 55. Pin Outputs in Each Operating Mode (Continued)
Address Data
M1 MREQ IORQ RD WR RFSH HALT BUSACK ST BUS BUS
Mode
Memory Read
Memory Write
I/O Read
1
1
1
1
1
0
0
1
1
1
1
1
0
0
1
0
1
0
1
1
1
0
1
0
1
1
1
1
1
1
*
*
*
*
1
1
1
1
1
1
0
0
0
0
1
A
A
A
A
Z
IN
OUT
IN
Internal
DMA
I/O Write
OUT
IN
RESET
•
•
•
•
•
•
•
1 : High
0 : Low
A : Programmable
Z : High Impedance
IN : Input
OUT : Output
* : Invalid
PIN STATUS
Tables 56 describes the status of each ping during RESET and LOW
POWER OPERATION modes.
UM005001-ZMP0400
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