UPD78F9212MA-FAA-E1-AX

核心优势

• 8MHz 고속 발진기 내장 ― 외부 크리스털이 불필요해 원가와 고장률을 낮춤
• 2.0V~5.5V 광범위 동작 전압 ― 단일 칩으로 3.3V와 5V 시스템 모두 대응
• 파워온 클리어(POC) 회로 내장 ― 리셋 회로 설계를 단순화
• SSOP-16 소형 패키지 ― 공간이 제한된 소형 제어 보드에 적합

主要特性

• 동작 전압: VDD = 2.0~5.5 V
• Standard product, (A) grade product: 2.2 to 5.5 V, (A2) grade product: 2.26 to 5.5 V
• Max. Frequency 10 MHz
• ROM capacities: 1 KB to 8 KB flash memory
• RAM capacities: 128 bytes to 256 bytes
• 패키지: 10핀 플라스틱 SSOP, 16핀 플라스틱 SSOP·SDIP·WLBGA, 20핀 플라스틱 SSOP 및 플라스틱 SDIP, 30핀 플라스틱 SSOP 및 32핀 SDIP"
• 78K0S CPU core
• 최소 명령 실행 시간: 0.2 μs (10 MHz, 4.0~5.5 V 동작 시)
• 클럭
• Ceramic/crystal resonator: 2 to 10 MHz (Standard product, (A) grade product) / 2 to 8 MHz ((A2) grade product)
• External clock: 2 to 10 MHz (Standard product, (A) grade product) / 2 to 8 MHz ((A2) grade product)
• 내장 고속 발진기: 8 MHz ±3% (-10~+70 °C), 8 MHz ±5% (표준품 및 (A) 등급품: -40~+85 °C, (A2) 등급품: -40~+125 °C)
• Low-speed internal oscillator 240 kHz (TYP.) Watchdog timer, timer clock in intermittent operation
• 8 : 10-pin products
• 14 (CMOS I/O: 13, CMOS input: 1) : 16-pin products
• 17 (CMOS I/O: 15, CMOS input: 1, CMOS output: 1) : 20-pin products
• 26 (CMOS I/O: 24, CMOS input: 1, CMOS output: 1) : 30-pin products
• 16-bit timer/event counter: 1 channel Timer output x 1, capture input x 2
• 8-bit timer: 2 channels PWM output x 1
• Watchdog timer: 1 channel Operable with low-speed internal oscillation clock
• Serial interface: UART (LIN (Local Interconnect Network) bus supported) 1 channel
• 10-bit resolution A/D converter: 0/4 channels
• On-chip power-on-clear (POC) circuit (A reset is automatically generated when the voltage drops to 2.1 V (TYP.) or below)
• Detection voltage: Selectable from ten levels between 2.35 and 4.3 V

使用与设计要点

以下要点来自实际项目中反复出现的问题，比数据手册的极限参数更接近工程现场。