三星即将推出用于电磁炉的All in one 芯片S3F84B8Memory: Full Flash 8K Bytes
SRAM 272 Bytes
o10 bit PWM
- able to cooperate with comparators automatically (trigger and lock)
- Support anti-miss-trigger mechanism
- Support delay trigger mechanism
o4 Comparators
- refer voltage (0.45VDD-0.8VDD)
o1 OPAMP
o10 bit ADC
oTimer/Counters
n1 8bit BT
n1 8bit timerA
- Interval/capture/8bit PWM mode
n1 16bit timer0
- Configurable to be 2 8bit timer/counters
- Interval mode
- 6/7/8bit PWM mode
n Programmable Buzzer
n Oscillation Frequency
- External crystal: 1-10Mhz
- External RCOSC: typ 8Mhz
- Internal RCOSC: 8MHz/0.5MHz
l Operation range
- voltage: 1.8-5.5V
- temperature:-45-+85℃
n LVR 2.3/3.0/3.6/3.9
n Package
p 20SOP
p 20DIP
Control nPWM CMP0 Linkage
oCMP0 output restart a new PWM cycle
oCMP0 is able to delay the trigger signal (max 8us @ 8MHz)
nPower control
oMonitor System V
oMonitor System I,by OPA and ADC
oChange PWM duty cycle to change the IH cooker power
oProtection
nIGBT Over V:CMP output falling edge stops current PWM output,
Restart at the next CMP0 trigger ,PWMDATA= PWMPDATA
nSurge/Over I: CMP output falling edge stops current PWM output ,
Restart when SW unlock
nPWM anti-miss-trigger:setting minimum interval between 2 PWM cycle
nCMP0 output filter
nOver Temperature:Monitor the temperature of IGBT and PAN
nPan Detect:IGBT on (set PWM as IO),Count CMP0 Interrupts
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