Renesas H8S/2111B User Manual
Page 500
Rev. 1.00, 05/04, page 466 of 544
Bit Bit
Name
Initial
Value R/W Description
6
LSON
0
R/W
Low-Speed On Flag
Specifies the operating mode to be entered after
executing the SLEEP instruction. This bit also controls
whether to shift to high-speed mode or subactive mode
when watch mode is cancelled.
When the SLEEP instruction is executed in high-speed
mode or medium-speed mode:
0: Shifts to sleep mode, software standby mode, or
watch mode
1: Shifts to watch mode or subactive mode
When the SLEEP instruction is executed in subactive
mode:
0: Shifts directly to watch mode or high-speed mode
1: Shifts to subsleep mode or watch mode
When watch mode is cancelled:
0: Shifts to high-speed mode
1: Shifts to subactive mode
5 NESEL
0 R/W
Noise Elimination Sampling Frequency Select
Selects the frequency by which the subclock (
φSUB)
input from the EXCL pin is sampled using the clock (
φ)
generated by the system clock pulse generator. Clear
this bit to 0 when
φ is 5 MHz or more.
0: Sampling using
φ/32 clock
1: Sampling using
φ/4 clock
4 EXCLE
0
R/W
Subclock Input Enable
Enables/disables subclock input from the EXCL pin.
0: Disables subclock input from the EXCL pin
1: Enables subclock input from the EXCL pin
3
0 R/W
Reserved
An undefined value is read from this bit. This bit should
not be set to 1.
2 to 0
All
0
R
Reserved
These bits are always read as 0 and cannot be
modified.