Z51F0410 Datasheet, PDF (173/184 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F0410
Product Specification
8.5.2 Parallel Mode instruction format
Table 8-4 Parallel mode instruction format
Instruction
Signal
nALE
n-byte data read
with
3-byte
address
nWR
nRD
PDATA
nALE
n-byte data write
with
3-byte
address
nWR
nRD
PDATA
nALE
n-byte data read
with
2-byte
address
nWR
nRD
PDATA
nALE
n-byte data write
with
2-byte
address
nWR
nRD
PDATA
nALE
n-byte data read
with
1-byte
address
nWR
nRD
PDATA
nALE
n-byte data write
with
1-byte
address
nWR
nRD
PDATA
Instruction Sequence
L
L
L
HL
H
HHH H
ADDRL
ADDRM
L
L
L
HL
H
HHH H
ADDRL
ADDRM
L
L
L
HL
H
HHH H
ADDRL
ADDRM
L
L
L
HL
H
HHH H
ADDRL
ADDRM
L
H
L HH H
HHL
H
ADDRL
DATA0
L
H
L
HL
H
HHH H
ADDRL
DATA0
L
LH
HH
ADDRH
L
LH
HH
ADDRH
H
HH
LH
DATA0
H
LH
HH
DATA0
H
LH
HH
DATA1
H
LH
HH
DATA1
H
HH
LH
DATA0
H
LH
HH
DATA0
H
HH
LH
DATA1
H
LH
HH
DATA1
H
LH
HH
DATA2
H
LH
HH
DATA2
H
HH
LH
DATA1
H
LH
HH
DATA1
H
HH
LH
DATA2
H
LH
HH
DATA2
H
LH
HH
DATA3
H
LH
HH
DATA3
H
H
HHH H
L HL H
---
DATAn
H
H
L HL H
HHH H
---
DATAn
H
H
HHH H
L HL H
---
DATAn
H
H
L HL H
HHH H
---
DATAn
H
H
L HL H
HHH H
---
DATAn
H
H
L HL H
HHH H
---
DATAn
PS029502-0212
PRELIMINARY
170