HD64F2149 Datasheet, PDF (943/1035 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

DACR—PWM (D/A) Control Register
Bit
7
6
5
TEST PWME —
Initial value
0
0
1
Read/Write R/W
R/W
—
H'FFA0
PWMX
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 Operates at resolution (T) =
system clock cycle time (t_cyc)
1 Operates at resolution (T) =
system clock cycle time (t_cyc) × 2
Output select
0 Direct PWM output
1 Inverted PWM output
Output enable A
0 PWM (D/A) channel A output
(PWX0 output pin) disabled
1 PWM (D/A) channel A output
(PWX0 output pin) enabled
Output enable B
0 PWM (D/A) channel B output
(PWX1 output pin) disabled
1 PWM (D/A) channel B output
(PWX1 output pin) enabled
PWM enable
0 DACNT operates as a 14-bit up-counter
1 DACNT halts at H'0003
Test mode
0 PWM (D/A) in user state: normal operation
1 PWM (D/A) in test state: correct conversion results unobtainable
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