HD6432621 Hitachi, HD6432621 Datasheet - Page 1064

• Manufacturer Part Number: HD6432621
• Description: (HD64F262x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

Port Name
Pin Name
Port C
Port D
Port E
PF7/ø
PF6/AS
PF5/RD
PF4/HWR
PF3/LWR/
ADTRG/IRQ3
PF2/WAIT/
BREQO
1020
MCU
Operating
Mode
4, 5
6
7
4 to 6
7
4 to 6 8-bit
7
4 to 6
7
4 to 6
7
4 to 6
7
4 to 6
7
bus
16-bit
bus
Power-
On
Reset
L
T
T
T
T
T
T
T
Clock
output
T
H
T
H
T
T
T
Hardware
Standby
Mode
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
Software
Standby Mode
[OPE = 0]
T
[OPE = 1]
kept
[DDR = 1,
OPE = 0]
T
[DDR = 1,
OPE = 1]
kept
[DDR = 0]
kept
kept
T
kept
kept
T
kept
[DDR = 0]
T
[DDR = 1]
H
[OPE = 0]
T
[OPE = 1]
H
kept
[OPE = 0]
T
[OPE = 1]
H
kept
[OPE = 0]
T
[OPE = 1]
kept
kept
Bus Release
State
T
T
kept
T
kept
kept
T
kept
kept
T
kept
T
kept
[BREQOE = 1]
BREQO
[WAITE = 1]
T
kept
Program
Execution State
Sleep Mode
A7 to A0
[DDR = 1]
A7 to A0
[DDR = 0]
I/O port
I/O port
Data bus
I/O port
I/O port
Data bus
I/O port
[DDR = 0]
T
[DDR = 1]
Clock output
AS
I/O port
RD, HWR, LWR
I/O port
[BREQOE = 1]
BREQO
[WAITE = 1]
WAIT
I/O port