HD6412350 Hitachi, HD6412350 Datasheet - Page 978

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

Table D-1 I/O Port States in Each Processing State (H8S/2351) (cont)
Port Name
Pin Name
PG0/CAS
Legend:
H
L
T
kept
DDR
OPE
WAITE
BRLE
BREQOE : BREQO pin enable
DRAME
LCASE
Note: * Indicates the state after completion of the executing bus cycle.
958
: High level
: Low level
: High impedance
: Input port becomes high-impedance, output port retains state
: Data direction register
: Output port enable
: Wait input enable
: Bus release enable
: DRAM space setting
: DRAM space setting, CW2 = LCASS = 0
MCU
Operating
Mode
1 to 3, 7
4 to 6
Power-
On
Reset
T
T
Manual
Reset
kept
[DRAME = 0]
kept
[DRAME = 1]
H*
Hardware
Standby
Mode
T
T
Software
Standby
Mode
kept
[DRAME = 0]
kept
[OPE = 0]
T
[DRAME ·
OPE= 1]
CAS
Bus
Release
State
kept
T
Program
Execution
State
Sleep Mode
I/O port
[DRAME = 0]
Input port
[DRAME = 1]
CAS