Z90209 Datasheet, PDF (2/2 Pages) Zilog, Inc. – TELEVISION CONTROLLERS

GENERAL DESCRIPTION (Continued)
XTAL1
XTAL2
/RESET
ADC0
ADC1
ADC2
ADC3
IRIN
P30
P31
P34
P35
Oscillator
WDT
RESET
Counter
Timer
Counter
Timer
3-Bit
ADC
IR
Counter
IR
Counter
Port 3
16K Byte
Program ROM
Z8 CPU
Core
256 Byte
Register File
PWM11
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
PWM 11
(14-Bit)
PWM 1
to
PWM 10
(8-Bit)
240 x 11-Bit
and
10 x 8-Bit
Character
RAM
9K x 7-Bit
Character
ROM
Functional Block Diagram
Port 2
Port 4
On-Screen
Display
Z90209/203/202
P20
P21
P22
P23
P24
P25
P26
P27
P40
P41
P42
P43
P44
P45
P46
P47
OSDX1
OSDX2
HSYNC
VSYNC
R
G
B
VBLANK
246