M37221M4H Datasheet, PDF (48/112 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
PWM Output Control Register 1
b7 b6 b5 b4 b3 b2 b1 b0
PWM output control register 1 (PW) [Address 00D516]
B
Name
Functions
0 DA, PWM count source 0 : Count source supply
selection bit (PW0) 1 : Count source stop
1 DA/PN4 selection bit 0 : DA output
(PW1)
1 : PN4 output
2 P00/PWM0 output
selection bit (PW2)
0: P00 output
1: PWM0 output
3 ^{P01/PWM1 output}
selection bit (PW3)
0: P01 output
1: PWM1 output
4 P02/PWM2 output
selection bit (PW4)
0: P02 output
1: PWM2 output
5 P03/PWM3 output
selection bit (PW5)
6 P04/PWM4 output
selection bit (PW6)
7 P05/PWM5 output
selection bit (PW7)
0: P03 output
1: PWM3 output
0: P04 output
1: PWM4 output
0: P05 output
1: PWM5 output
After reset R W
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
0 RW
Fig. 8.7.4 PWM Output Control Register 1
PWM Output Control Register 2
b7 b6 b5 b4 b3 b2 b1 b0
PWM output control register 2 (PN) [Address 00D616]
B
Name
Functions
After reset R W
0,1 Nothing is assigned. These bits are write disable bits. 0 R —
When these bits are read out, the values are “0.”
2 ^{DA output polarity}
selection bit (PN2)
0 : Positive polarity
1 : Negative polarity
0 RW
3 ^{PWM output polarity} 0 : Positive polarity
selection bit (PN3)
1 : Negative polarity
0 RW
4 DA general-purpose 0 : Output LOW
output bit (PN4)
1 : Output HIGH
0 RW
5 _{Nothing is assigned. These bits are write disable bits. 0 R —}
to _{When these bits are read out, the values are “0.”}
7
Fig. 8.7.5 PWM Output Control Register 2
Rev.1.00 Oct 01, 2002 page 48 of 110
REJ03B0134-0100Z