Peripheral Clock Select Register (Pcsr) - Renesas H8S/2158 User Manual

16-bit single-chip microcomputer h8s family/h8s/2100 series
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11.3.4

Peripheral Clock Select Register (PCSR)

PCSR selects the operating speed of DACR.
Bit
Bit Name
Initial Value
7, 6 —
All 0
5
PWCKXB
0
4
PWCKXA
0
3
0
2
PWCKB
0
1
PWCKA
0
0
0
R/W
Description
R/(W) Reserved
The initial value should not be changed.
R/W
PWMX Clock Select
R/W
Select the clock when the CKS bit in DACR of PWMX is
set to 1.
00: Operates at resolution (T) = system clock cycle time
) × 2
(t
cyc
01: Operates at resolution (T) = system clock cycle time
) × 64
(t
cyc
10: Operates at resolution (T) = system clock cycle time
) × 128
(t
cyc
11: Setting prohibited
R
Reserved
This bit is always read as 0 and cannot be modified.
R/W
See section 10.3.5, Peripheral Clock Select Register
R/W
(PCSR).
R/(W) Reserved
The initial value should not be changed.
Section 11 14-Bit PWM Timer (PWMX)
Rev. 3.00 Jan 25, 2006 page 279 of 872
REJ09B0286-0300

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