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HMS9XC7132 Datasheet(PDF) 5 Page - Hynix Semiconductor |
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HMS9XC7132 Datasheet(HTML) 5 Page - Hynix Semiconductor |
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5 / 90 page  HMS9xC7132 / HMS9xC7134 May.2001 ver1.1 1 HMS9xC7132 / HMS9xC7134 CMOS SINGLE-CHIP 8-BIT MICROCONTROLLER FOR MONITOR 1. OVERVIEW 1.1 Description The HMS9xC7132/4 is a single-chip microcontroller of the 80C51 family, which is dedicated for monitor application. It is particularly suitable for multi-sync computer monitor controller. This contains DDC interfaces to the PC host, sync-detector and sync-processor for auto-sync application, ADC, static PWM, dynamic PWM and I2C bus interface for control of the video and deflection functions of the monitor. 1.2 Features • 80C51 core • 32K bytes of ROM for HMS91C7132/4 (32K bytes of OTP ROM for HMS97C7132/4) • 256 bytes of RAM and 256 bytes of XRAM for DDC operation • Uses an external crystal of 12 MHz • One DDC compliant interface : - Fully supports DDC1 with dedicated hardware - DDC2B, DDC2AB and DDC2B+ compliant dedi- cated hardware based on an I2C bus interface - RAM buffer with programmable size, 128 bytes or 256 bytes, which can be used for DDC opera- tion or shared as system RAM • On-chip sync processor - HSYNC frequency with 12-bit resolution - VSYNC frequency with 12-bit resolution - HSYNC and VSYNC polarity - HSYNC and VSYNC presence detection - Composite sync separation - Free running sync. generation - Clamping pulse output - Pattern generation - Separate input for a SOG signal - Missing pulse insertion option - HSYNC/ VSYNC change interrupt • One multi-master/slave I2C interface (up to 400K bit/s) for control of other system IC’s • Eight 8-bit Static PWM outputs for digital con- trol applications • Two 8-bit Dynamic PWM outputs for various waveform generation • One 8-bit ADC with 4 input channels • LED driver port ; two port lines with 15 mA drive capability • One 8-bit port only for I/O function • 24 derivative I/O ports configurable for alterna- tive functions • Watchdog timer (524ms max.) • On-chip low VDD voltage detect and reset (reset period: 524ms) • Operating temperature : 0 to 70 • Special idle and power-down modes with low power consumption • Single power supply : 4.5V to 5.5V Device name ROM Size RAM Size I/O OTP Package HMS91C7132/4 32K bytes Mask ROM 512 bytes 30(42DIP) 32(42SDIP) HMS97C7132/4 40DIP(HMS91C7132/4), 42SDIP(HMS91C7132/4K) |
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