Z9023106FSC Datasheet, PDF (8/19 Pages) Zilog, Inc. – eZVision 200 Television Controllers with OSD

Z90233, Z90234, and Z90231
eZVision 200 Television Controllers with OSD
4
Block Diagram of eZVision 200
Figure 2 is a block diagram of the eZVision 200 family.
XTAL1
XTAL2
RESET
ADC0
ADC1
ADC2
ADC3
IRIN
P60
P61
P62
P63
Oscillator
WDT
RESET
Counter
Timer
Counter
Timer
4-Bit
ADC
IR
Counter
Port 6
16/24-KB
Program ROM
or
24-KB
Program OTP
Internal
Microprocessor
Core
Register File
236 Bytes
Port 2
Port 4
PWM11
PWM1
PWM2
PWM3
PWM4
PWM5
PWM6
PWM7
PWM8
PWM9
PWM10
P50
P51
P52
P53
P54
P55
P56
PWM 11
(14-bit)
PWM 1
to
PWM 10
(6-bit)
Port 5
Video RAM
240 x 11-bit
Character
ROM or OTP
9K by 7-bit
I²C
Interface
On-Screen
Display
P20
P21
P22
P23
P24
P25
P26
P27
P40
P41
P42
P43
P44
P45
P46
P47
SCLK0
SDATA0
SCLK1
SDATA1
OSDX1
OSDX2
H_SYNC
V_SYNC
R
G
B
V_BLANK
HLFTN
Figure 2. Block Diagram
PS010703-0502