HD6432646 Hitachi, HD6432646 Datasheet - Page 993

• Manufacturer Part Number: HD6432646
• Description: (HD64F264x Series) 16-Bit Microcomputer
• Manufacturer: Hitachi

SBYCR—Standby Control Register
Bit
Initial value
Read/Write
Software Standby
0
1
Shifts to sleep mode when the SLEEP instruction is executed in high-speed mode or
medium-speed mode
Shifts to sub-sleep mode when the SLEEP instruction is executed in sub-active mode
Shifts to software standby mode, sub-active mode, and watch mode when the SLEEP
instruction is executed in high-speed mode or medium-speed mode
Shifts to watch mode or high-speed mode when the SLEEP instruction is executed in
sub-active mode
Standby Timer Select 2 to 0
0
1
SSBY
0
R/W
1
0
1
7
0
Output Port Enable
0
1
0
1
0
1
0
1
0
1
Standby time = 8192 states
Standby time = 16384 states
Standby time = 32768 states
Standby time = 65536 states
Standby time = 131072 states
Standby time = 262144 states
Reserved
Standby time = 16 states
In software standby mode, watch mode, and when making a direct
transition, address bus and bus control signals are high-impedance
In software standby mode, watch mode, and when making a direct
transition, the output state of the address bus and bus control
signals is retained
STS2
R/W
6
1
STS1
R/W
5
0
STS0
R/W
4
1
H'FDE4
OPE
R/W
3
1
—
—
2
0
—
—
1
0
—
—
0
0
System
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