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HMS9XC7132 Datasheet(PDF) 10 Page - Hynix Semiconductor |
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HMS9XC7132 Datasheet(HTML) 10 Page - Hynix Semiconductor |
10 / 90 page HMS9xC7132 / HMS9xC7134 6 May.2001 ver1.1 5. PIN FUNCTION VDD1: Supply voltage (Digital). VSS1: Circuit ground (Digital). VDD2: Supply voltage (Analog). VSS2: Circuit ground (Analog). RESET: Reset the MCU. XTAL1: Input to the inverting oscillator amplifier and input to the internal main clock operating circuit. XTAL2: Output from the inverting oscillator amplifier. HSYNCIN: Horizontal sync input VSYNCIN: Vertical sync input INT0/VPP: External Interrupt input. Programming supply volt- age(during OTP programming) PORT: The HMS9xC7132 has four 8-bit ports (Port0, Port1, Port2, and Port3). Port0 - Port3 are the same as in the 80C51, with the exception of the additional functions of Port1, Port2 and Port3. Each has latch, SFR P0~P3’ output driver and input buffer. P0.0~P0.7: P0 is an 8-bit CMOS bidirectional I/O port. P0 pins have not pull-up resister and open-drain port. It has the capability of drive LED. However, while the alternative function is per- formed, the port type will remain the same. In case of application to extention of external memory, P0 outputted Write/Read byte and lower byte of external memory address. Therefore when it is used as normal I/O port, P0 is open-drain driver and when it used as bus port, P0 is 3-state driver. P1.0~P1.7: P1 is an 8-bit CMOS bidirectional I/O port. Because P1 pins have pull-up resister, it is called as Quasi-Bidirectional port. P2.0~P2.7: P2 is an 8-bit CMOS bidirectional I/O port. Because P2 pins have pull-up resister, it is called as Quasi-Bidirectional port. . P3.0~P3.7: P3 is an 8-bit CMOS bidirectional I/O port. Because P3 pins have pull-up resister, it is called as Quasi-Bidirectional port. Port pin Alternate function P0.0 P0.1 P0.2 P0.3 P0.4 P0.5 P0.6 P0.7 No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) No (Only for I/O function) Port pin Alternate function P1.0 P1.1 P1.2 P1.3 P1.4 P1.5 P1.6 P1.7 SCL1 (DDC-SCL) SDA1 (DDC-SDA) ACH0 ACH1 ACH2 ACH3 SCL2 (I2C-SCL) SDA2 (I2C-SDA) Port pin Alternate function P2.0 P2.1 P2.2 P2.3 P2.4 P2.5 P2.6 P2.7 DPWM0* DPWM1* PWM0* PWM1* PWM2* PWM3* PWM4* PWM5* Port pin Alternate function P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 Reserved Reserved HSYNCOUT VSYNCOUT PWM6* CLAMP/PWM7 PATOUT SOG |
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