H8S43 Datasheet, PDF (1120/1279 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Appendix B Internal I/O Register
DACR0—PWM (D/A) Control Register 0
DACR1—PWM (D/A) Control Register 1
H'FDB8
H'FDBC
PWM0
PWM1
Bit
:
7
6
5
TEST PWME —
Initial value :
0
0
1
R/W
: _R/W
R/W
—
4
3
2
1
0
—
OEB OEA
OS
CKS
1
0
0
0
0
—
R/W
R/W
R/W
R/W
Clock select
0 Resolution (T) = system clock cycle (tcyc)
1 Resolution (T) = system clock cycle (tcyc) × 2
Output select
0 Direct PWM output
1 Inverted PWM output
Output enable A
0 PWM (D/A) channel A output (PWM0/PWM2 output pin) disabled
1 PWM (D/A) channel A output (PWM0/PWM2 output pin) enabled
Output enable B
0 PWM (D/A) channel B output (PWM1/PWM3 output pin) disabled
1 PWM (D/A) channel B output (PWM1/PWM3 output pin) enabled
PWM enable
0 DACNT operates as 14-bit up-counter
1 Count stops when DACNT = H'0003
Test mode
0 PWM (D/A) in user status and operating normally
1 PWM (D/A) in test status and will not return correct result of conversion
Rev. 3.00 Jan 11, 2005 page 1064 of 1220
REJ09B0186-0300O