Z90251 Datasheet, PDF (80/97 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
72
(A) PWM11-0001H
(B) PWM11-0002H
(C) PWM11-0003H
(D) PWM11-0004H
(E) PWM11-0005H
XTAL/128
Time Slot = 40H
Time Slot = 60H
Time Slot = 20H
Time Slot = 60H Time Slot = 40H Time Slot = 20H
Tme Slot = 70H Time Slot = 50H Time Slot = 30H Time Slot = 10H
70H
50H
40H
30H
10H
(F) PWM11-007FH
Time Slot = 0 (No Pulse)
(G) One of
Distribution
Pulse
(H) PWM11 = 0080H
(I) PWM11 = 0180H
(J) PWM11 = 2000H
(K) PWM11 = 3F80H
XTAL/128
XTAL
(L) PWM11 = 0081H
Distribution Pulses Added These Places
Time Slot = 41H
Time Slot = 40H
Time Slot = 3FH
Time Slot = 3EH
Figure 19 Pulse Width Modulator Timing Diagram, 14-Bit
The following tables contain data register information for registers PWM1 -PWM11.
PS001301-0800