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SAA5553PS Datasheet(PDF) 9 Page - NXP Semiconductors |
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SAA5553PS Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 80 page  1999 Oct 27 9 Philips Semiconductors Preliminary specification Standard TV microcontrollers with On-Screen Display (OSD) SAA55xx COR 29 43 O Open-drain, active LOW output which allows selective contrast reduction of the TV picture to enhance a mixed mode display. VDDA 31 45 − +3.3 V analog power supply B 32 46 O Pixel rate output of the BLUE colour information. G 33 47 O Pixel rate output of the GREEN colour information. R 34 48 O Pixel rate output of the RED colour information. VDS 35 52 O Video/data switch push-pull output for dot rate fast blanking. HSYNC 36 53 I Schmitt triggered input for a TTL-level version of the horizontal sync pulse; the polarity of this pulse is programmable by register bit TXT1.H POLARITY. VSYNC 37 55 I Schmitt triggered input for a TTL-level version of the vertical sync pulse; the polarity of this pulse is programmable by register bit TXT1.V POLARITY. VSSP 38 12, 60 − periphery ground VDDC 39 63 − +3.3 V core power supply OSCGND 40 69 − crystal oscillator ground XTALIN 41 70 I 12 MHz crystal oscillator input XTALOUT 42 71 O 12 MHz crystal oscillator output RESET 43 73 I If the reset input is HIGH for at least 2 machine cycles (24 oscillator periods) while the oscillator is running, the device is reset; this pin should be connected to VDDP via a capacitor. VDDP 44 75 − +3.3 V periphery power supply P1.0/INT1 45 76 I/O Port 1. 8-bit programmable bidirectional port with alternative functions. P1.0/INT1 is external interrupt 1 which can be triggered on the rising and falling edge of the pulse. P1.1/T0 is the counter/Timer 0. P1.2/INT0 is external interrupt 0. P1.3/T1 is the counter/Timer 1. P1.6/SCL0 is the serial clock input for the I2C-bus and P1.7/SDA0 is the serial data port for the I2C-bus. P1.4/SCL1 is the serial clock input for the I2C-bus. P1.5/SDA1 is the serial data port for the I2C-bus. P1.1/T0 46 78 I/O P1.2/INT0 47 79 I/O P1.3/T1 48 80 I/O P1.6/SCL0 49 81 I/O P1.7/SDA0 50 82 I/O P1.4/SCL1 51 83 I/O P1.5/SDA1 52 84 I/O VPE_2 − 62 I OTP programming voltage n.c. − 3, 7 to 10,14, 15, 19 to 21, 23, 26, 27, 33, 36 to 40, 49 to 51, 56 to 58, 61, 64 to 68, 72, 74, 77, 85 to 92, 99 − not connected SYMBOL PIN TYPE DESCRIPTION SDIP52 LQFP100 |
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