
MC97F6108A User’s manual
19. Memory programming
215
19.4.1
Parallel mode instruction format
Table 34. Parallel Mode Instruction Format
Instruction
Signal
Instruction Sequence
n-byte
data
read with 3-
byte address
nALE
L
L
L
H
H
H
H
nWR
L
H
L
H
L
H
H
H
H
H
H H H
H
nRD
H
H
H
H
H
H
L
H
L
H
L
H L
H
PDATA ADDRL ADDRM ADDRH DATA0 DATA1 ---
DATAn
n-byte
data
write with 3-
byte address
nALE
L
L
L
H
H
H
H
nWR
L
H
L
H
L
H
L
H
L
H
L
H L
H
nRD
H
H
H
H
H
H
H
H
H
H
H H H
H
PDATA ADDRL ADDRM ADDRH DATA0 DATA1 ---
DATAn
n-byte
data
read with 2-
byte address
nALE
L
L
H
H
H
H
H
nWR
L
H
L
H
H
H
H
H
H
H
H H H
H
nRD
H
H
H
H
L
H
L
H
L
H
L
H L
H
PDATA ADDRL ADDRM DATA0
DATA1 DATA2 ---
DATAn
n-byte
data
write with 2-
byte address
nALE
L
L
H
H
H
H
H
nWR
L
H
L
H
L
H
L
H
L
H
L
H L
H
nRD
H
H
H
H
H
H
H
H
H
H
H H H
H
PDATA ADDRL ADDRM DATA0
DATA1 DATA2 ---
DATAn
n-byte
data
read with 1-
byte address
nALE
L
H
H
H
H
H
H
nWR
L
H
H
H
L
H
L
H
L
H
L
H L
H
nRD
H
H
L
H
H
H
H
H
H
H
H H H
H
PDATA ADDRL DATA0
DATA1
DATA2 DATA3 ---
DATAn
n-byte
data
write with 1-
byte address
nALE
L
H
H
H
H
H
H
nWR
L
H
L
H
L
H
L
H
L
H
L
H L
H
nRD
H
H
H
H
H
H
H
H
H
H
H H H
H
PDATA ADDRL DATA0
DATA1
DATA2 DATA3 ---
DATAn