Specifications
Circuit Descriptions, Abbreviation List, and IC Data Sheets
EN 29TC8.1A CA 9.
9.3 Brief IC Descriptions
9.3.1 IC201 (TMPA8891CXBNG)
The TMPA8891 is an integrated circuit for a PAL/ NTSC/
SECAM TV. A microcontroller (MCU) and a TV signal
processor are integrated in a 64-pin shrink DIP package.
The MCU part contains:
• 8-bit CPU.
•ROM.
•RAM.
• I/O ports.
• Timers/ counters.
• A/D converters.
• On-Screen Display controller.
• remote control interfaces.
• IIC bus interfaces.
• Closed Caption decoder.
The TV signal processor part contains:
•PIF.
•SIF.
• Video.
• Multi-standard chroma.
• Sync.
• RGB processors.
Block diagram is as follows:
Figure 9-2 Block diagram IC201 (TMPA8891CXBNG)
H_17130_035.eps
240407
PIF Proc.
PAL/ NTSC demod
Auto.VCO
alignment
Vert.Proc.
V.C/D
V.ramp
V.geometry
V.Drive
Hor.Proc.
Sync.sepa
Hor.VCO HAFC-1
HAFC-2 H-shift
Cut-off
Drive
RGB switch
Brightness
Half-tone
Transparent
XO
870X CPU core
STOP/IDLE mode
I/O
10 I/O port
14-bit PWM x1
7-bit PWM x1
8-bit ADC Ext.x3
Int.x1
Romote preprocessor
16-bit int.timer x2
8-bit int.timer x2
Watchdog timer
Interrupt
Ext.x5 Int.x11
IIC bus interfece
Ext.x1 Int.x1
AFT
OSD R/G/B/Ys/I
Font:16 x 18
Display:32C x 12L
Color:8
Character:384
Half-tone
Transparent
CCD
Y Proc.
C-Trap
Black stretch
Y gamma
Sharpness
Base Band Proc.
TINT
1H DL Int/Ext switch
Color Uni-color
RGB Matrix
ROM: 㧠㧤 kB
RAM:2kB
ROM correction
Sound
TRAP
IF
AGC
AGC
DET
Reg.
FM
DEMO
De-emp
(on/off)
ALC
BPF
SW
VM
AU Monitor out-1
H/Lout / SIF out
/AU Monitor out-2
C /V3 CVBS
Video SW
Audio SW
IF GND
AU Monitor
TVout 2Vpp
/ FM radio
P56
P51/SCL
IF IN
SAW
P31/Int4/TC3
P52/SDA
APC Fil
PIF PLL
+
IF AGC
+
Black Det
P63/LED2
+
RF AGC
P30/Int3/RXIN
TV Dig GND
Bout
Gout
Rout
Monitor /VM out
DC NF
+
DVcc
IF GND
S-Reg.F
+
uP AVdd 5V
+
uP MPAGND
56
50
52
53
54
55
49
43
44
4546
47
48
42
363738
39
4041 35 33
3464
58
59
60
61
62
63
57
51
IF Vcc 5V
+
H/L out
YC Vcc 5V
P20/Int5/Stop
P40/PWM14bit
P50/PWM7bit/TC2/Int0
+
+
+
EXT AU 1
+
P53/ADC8bit/TC1/Int2
AU out 1
V2 CVBS/Y
Cr input
Y input
Cb input
FBP
SCP
TV DEF GND
P61/LED1/ADC8bit
P60/ADC8bit
Hout
Vout
Vsaw
HAFC 1
+
V1 IN 1Vpp
+
ABCL
EXT AU 2
+
uP VVss
TEST
uP DVss
+
uP DVDD 5V
1
7
65
4
3
2
8
14
1312
11
10
9 15 21
20
19
18
17
16
22
28
27
26
25
2423
32
31
30
29
8MHz
ALC filter
A Vcc 8V
AU out 2
Reset
TV AGND
+
+
+
-6dB
+
SW
ATT
ATT
H.correction
/2nd SIF in
Chroma Proc.
C-BPF
PAL/NTSC/SECAM
Block Diagram & Pin Configuration