SAA5667 Ver la hoja de datos (PDF) - Philips Electronics
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SAA5667 Datasheet PDF : 112 Pages
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Philips Semiconductors
Enhanced TV microcontrollers with
On-Screen Display (OSD)
Product specification
SAA56xx
6.2 Pin description
Table 1 LQFP100 package
SYMBOL
P2.0/TPWM
P2.1/PWM0
P2.2/PWM1
P2.3/PWM2
P2.4/PWM3
P2.5/PWM4
P2.6/PWM5
P2.7/PWM6
P3.0/ADC0
P3.1/ADC1
P3.2/ADC2
P3.3/ADC3
P3.4/PWM7/T2EX
P3.5/INT5
P3.6
P3.7
VSSC
P0.0/RX
P0.1/TX
P0.2/INT2
P0.3/INT3
P0.4/INT4
P0.5
P0.6
P0.7/T2
VSSA
CVBS0
CVBS1
SYNC_FILTER
IREF
FRAME
VPE
COR
VDDA
B
PIN TYPE
DESCRIPTION
100
I/O Port 2. 8-bit programmable bidirectional port with alternative functions.
93
I/O P2.0/TPWM is the output for the 14-bit high precision PWM; P2.1/PWM0 to
94
I/O P2.7/PWM6 are the outputs for the 6-bit PWMs 0 to 6.
95
I/O
96
I/O
97
I/O
98
I/O
1
I/O
2
I/O Port 3. 8-bit programmable bidirectional port with alternative functions.
4
I/O P3.0/ADC0 to P3.3/ADC3 are the inputs for the software ADC facility and
5
I/O P3.4/PWM7 is the output for the 6-bit PWM7; P3.4/PWM7/T2EX is the
6
I/O output for the 6-bit PWM7 or the Timer 2 control; P3.5/INT5 is the external
44
I/O Interrupt 5; P3.6 and P3.7 have no alternative functions.
54
I/O
59
I/O
25
I/O
11, 62, 99 − core ground
16
I/O Port 0. 8-bit programmable bidirectional port (with alternative functions).
17
I/O P0.0/RX and P0.1/TX are respectively the serial transmit and receive lines
18
I/O for the UART; P0.2/INT2 to P0.4/INT4 are the external interrupts 2 to 4;
22
I/O P0.5 and P0.6 have no alternative functions and have 8 mA current sinking
24
I/O capability for direct drive of LEDs.
13
I/O
28
I/O
29
I/O
30
− analog ground
31
I 2 composite video input selectable via SFR; a positive-going 1 V
32
I (peak-to-peak) input is required, connected via a 100 nF capacitor
34
I/O CVBS sync filter input; this pin should be connected to VSSA via a 100 nF
capacitor.
35
I Reference current input for analog circuits, connected to VSSA via a 24 kΩ
resistor.
41
O De-interlace output synchronized with the VSYNC pulse to produce a
non-interlaced display by adjustment of the vertical deflection circuits.
21, 42
I OTP programming voltage
43
O Open-drain, active LOW output which allows selective contrast reduction of
the TV picture to enhance a mixed mode display.
45
− +3.3 V analog power supply
46
O pixel rate output of the BLUE colour information
2001 Dec 13
7
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