參數(shù)資料
型號(hào): SAA5265PS
廠商: NXP Semiconductors N.V.
英文描述: 10 and 1 page intelligent teletext decoders
中文描述: 10和1頁(yè)智能圖文電視解碼器
文件頁(yè)數(shù): 5/24頁(yè)
文件大小: 97K
代理商: SAA5265PS
2000 Jan 27
5
Philips Semiconductors
Preliminary specification
10 and 1 page intelligent teletext decoders
SAA5264; SAA5265
PINNING
SYMBOL
PIN
TYPE
DESCRIPTION
Port 2: 8-bit programmable bidirectional port with alternative functions
P2.0/PWM
P2.1/PWM0
P2.2/PWM1
P2.3/PWM2
P2.4/PWM3
P2.5/PWM4
P2.6/PWM5
P2.7/PWM6
1
2
3
4
5
6
7
8
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
output for 14-bit high precision Pulse Width Modulator (PWM)
outputs for 6-bit PWMs 0 to 6
Port 3: 8-bit programmable bidirectional port with alternative functions
P3.0/ADC0
P3.1/ADC1
P3.2/ADC2
P3.3/ADC3
P3.4/PWM7
V
SSC
Port 0: 8-bit programmable bidirectional port
9
I/O
I/O
I/O
I/O
I/O
inputs for the software Analog-to-Digital-Converter (ADC) facility
10
11
12
30
13
output for 6-bit PWM7
core ground
SCL(NVRAM)
SDA(NVRAM)
P0.2
P0.3
P0.4
P0.5
P0.6
P0.7
V
SSA
CVBS0
CVBS1
SYNC_FILTER
14
15
16
17
18
19
20
21
22
23
24
25
I
I
2
C-bus Serial Clock input to Non-Volatile RAM
I
2
C-bus Serial Data input/output (Non-Volatile RAM)
input/output for general use
input/output for general use
input/output for general use
8 mA current sinking capability for direct drive of Light Emitting Diodes (LEDs)
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
I
I
input/output for general use
analog ground
Composite Video Baseband Signal (CVBS) input; a positive-going 1 V
(peak-to-peak) input is required; connected via a 100 nF capacitor
sync-pulse-filter input for CVBS; this pin should be connected to V
SSA
via a
100 nF capacitor
reference current input for analog circuits; for correct operation a 24 k
resistor
should be connected to V
SSA
Frame de-interlace output synchronized with the VSYNC pulse to produce a
non-interlaced display by adjustment of the vertical deflection circuits
not available; connect this pin to V
SSA
contrast reduction: open-drain, active LOW output which allows selective contrast
reduction of the TV picture to enhance a mixed mode display
P3.4/PWM7 (described above)
analog supply voltage (3.3 V)
Blue colour information pixel rate output
IREF
26
I
FRAME
27
O
TEST
COR
28
29
I
O
30
31
32
I/O
O
V
DDA
B
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