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EM78P330 Datasheet(PDF) 10 Page - ELAN Microelectronics Corp |
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EM78P330 Datasheet(HTML) 10 Page - ELAN Microelectronics Corp |
10 / 112 page EM78P330/331N 8-Bit Microprocessor with OTP ROM 4 • Product Specification (V1.1) 03.13.2007 (This specification is subject to change without further notice) 5 Pin Description 5.1 EM78P330N Symbol Pin No. Type Function P50~P57 10~11 15~16 25~26 I/O 8-bit General purpose input/output pins Default value at power-on reset P60~P65 17~22 I/O 6-bit General purpose input/output pins Default value at power-on reset P70~P71 P73~P76 27, 28 1~4 I/O 6-bit General purpose input/output pins Default value at power-on reset P80 ~ P84 5~7 9, 14 I/O 5-bit General purpose input/output pins Default value at power-on reset INT0, INT1 15, 16 I External interrupt pin triggered by falling edge Ain0~Ain5 17~22 I 6-bit Analog-to-Digital Converter Defined by AISR (Bank 2 R8) <0 : 7> PWM1 PWM2 27 28 O Pulse width modulation outputs Defined by PWMCON (Bank 1-R5)<5 : 7> BO 9 O Buzzer output driver VREF 14 I External reference voltage for ADC Defined by ADCON (Bank 2 R9) <7>. CIN- CIN+ CO 23 24 25 I I O “-“ : the input pin of Vin- of the comparator “+” : the input pin of Vin+ of the comparator Pin CO is the comparator output Defined by CMPCON (IOCA) <0:1> /RESET 8 I General-purpose Input only If it remains at logic low, the device will be reset Wake-up from sleep mode when pin status changes Voltage on /RESET must not exceed Vdd during normal mode TCC 26 I Real time clock/counter with Schmitt Trigger input pin. It must be tied to VDD or VSS if not in use. CNTR1 4 I Counter 1 / Counter 2 with Schmitt Trigger input pin. Sin 7 I Sin pin is used to input serial data signals by software. Sin pin is also used as port P82. Sout 6 O Sout pin is used to input serial data signals by software. Sout pin is also used as port P81. Sck 5 I/O Sck pin is used to input and output synchronous clock signals for serial data transfer by software. Sck pin is also used as Port P80. OSCI 11 I Crystal type: Crystal input terminal or external clock input pin RC type: RC oscillator input pin OSCO 10 O Crystal type: Output terminal for crystal oscillator or external clock input pin. RC type: Clock output with a duration of one instruction cycle time. The prescaler is determined by the CONT register. External clock signal input. XIN 1 I Low crystal 32.768kHz input XOUT 2 O Low crystal 32.768kHz output VDD 13 – Power supply VSS 12 – Ground |
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