P83CX80 Datasheet, PDF (34/84 Pages) NXP Semiconductors – 80C51 type core

Philips Semiconductors
Microcontrollers for monitors with DDC
interface, auto-sync detection and sync
Product specification
P83Cx80; P87C380
handbook^fc, flukll pagewidth
4
127
0
1
2
00
01
m
127
decimal value PWM10H data latch
128 − (m + 1)
128 − (m − 1)
128 − m
127
0
1
MGG046
Fig.17 PWM10 output patterns: Coarse and fine adjustment (PWM10L = 000 0000B).
handbook, full pagewidth
tsub0
tsub16
tsub32
tsub48
tr
tsub64
tsub80
tsub96
tsub112
tsub127
000 0001
000 0100
000 0101
PWM10L
MGG047
1997 Dec 12
Fig.18 Fine adjustment output (OUT2).
34