EM78P312N数据手册Elan中文资料规格书

描述 Description

The EM78P312N is an 8-bit microprocessor with low-power, high-speed CMOS technology and high noise immunity. It has an on-chip 4K⊙13-bits Electrical One Time Programmable Read Only Memory (OTP-ROM).It provides multi-protection bits to prevent intrusion of user's OTP memory codes.

特性 Features

CPU configuration
4Kx13 bits on-chip ROM
144x8 bits on-chip registers (SRAM)
8-level stacks for subroutine nesting
Less than 3.5 mA at 5V / 8 MHz
Typically 0.8 µA, during sleep mode
Typically 1.1 µA, during idle mode 
I/O port configuration
4 bidirectional I/O ports: P6, P7, P8 and P9
22 I/O pins
10 programmable pull-down I/O pins
10 programmable pull-high I/O pins
External interrupt : P60, P61, P73, P80
Operating Voltage and Temperature Range
2.5V~5.5V at -40~85°C (industrial)
Operating Mode
Crystal mode: 
DC~10MHz/2 clks @ 5V; DC~200ns inst. cycle @ 5V
DC~4MHz/2 clks @ 3V;DC~500ns inst. Cycle @ 3V
ERC mode: 
DC~10MHz/2 clks @ 5V; DC~200ns inst. cycle @ 5V
DC~4MHz/2 clks @ 3V;DC~500ns inst Cycle @ 3V
Peripheral configuration
Serial peripheral interface (SPI) available
Universal asynchronous receiver transmitter interface (UART)available
16 bits Counter/Timer
TC2: Timer/Counter/Window
8 bits Timer/Counter
TCC: 8-bit real time clock/counter with overflow interrupt
TC3: Timer/Counter/Capture
TC4: Timer/Counter/ PWM (pulse width modulation)/ PDO (Programmable divider output)
8-bit channels Analog-to-Digital Converter with 10-bit resolution
Time Base Timer:(1Hz~16kHz at 8 MHz)
Key tone output:(1kHz~8kHz at 8 MHz)
8-bit channels Analog-to-Digital Converter with 10-bit resolution in Vref mode
15 Interrupt Sources:
WDT Time-out interrupt
TCC overflow interrupt
Time base timer interrupt (the first falling edge of the source clock)
Serial UART transmit interrupt
Serial UART receive interrupt
Serial UART receive error interrupt
Four External interrupt
ADC completion interrupt
TC2 overflow interrupt
TC3 overflow interrupt
TC4 overflow interrupt
Serial SPI interrupt
Package type:
28-pin DIP 600mil : EM78P312NP
28-pin Skinny DIP 300mil : EM78P312NAK
28-pin Skinny DIP 400mil : EM78P312N
28-pin SOP 300mil :EM78P312NM
28-pin SSOP 209mil : EM78P312NS
Note: Green products do not contain hazardous .substances.