HD6473258CP10 Datasheet, PDF (280/301 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

P7DR—Port 7 Data Register
H’FFBE
Port 7
Bit
7
6
5
4
3
2
1
0
P77
P76
P75
P74
P73
P72
P71
P70
Initial value 0
0
0
0
0
0
0
0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
SYSCR—System Control Register
H’FFC4
System Control
Bit
Initial value
Read/Write
7
SSBY
0
R/W
6
STS2
0
R/W
5
STS1
0
R/W
4
STS0
0
R/W
3
2
1
— NMIEG —
1
0
1
— R/W —
0
RAME
1
R/W
RAM Enable
0 On-chip RAM is disabled.
1 On-chip RAM is enabled.
NMI Edge
0 Falling edge of NMI is detected.
1 Rising edge of NMI is detected.
Standby Timer Select
0 0 0 Clock settling time = 8192 states
0 0 1 Clock settling time = 16384 states
0 1 0 Clock settling time = 32768 states
0 1 1 Clock settling time = 65536 states
1 – – Clock settling time = 131072 states
Software Standby
0 SLEEP instruction causes transition to sleep mode.
1 SLEEP instruction causes transition to software standby mode.
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