CA51F4 series (for LCD remote controller/thermostat)
Chip type
Flash Rom
Ram（BYTE）
Powered off internal data store
External high speed oscillator(MHz)
Internal RC oscillator(MHz)
PLL phase-locked loop
RTC Crystal Oscillator (32.768Kz)
GPIO
UART
I²C
SPI
16 bit PWM
12 bit ADC
TOUCH KEY
Operational amplifier
Analog comparator
Multiplier and divider
DC motor control module
LCD Driver (com x segm)
LED Driver (com x segm)
On-chip simulation capabilities
IAP/ISP
Operating voltage(V)
Electrical performance
Encapsulation form
18K
1K
√
--
16
--
--
46
1
1
--
3
6
8
--
--
--
--
4X32
--
√
√
1.8-5.5
Meet CS standard EFT 4KV.
LQFP48
18K
1K
√
--
16
--
--
26
1
1
--
2
6
8
--
--
--
--
4X20
--
√
√
1.8-5.5
Meet CS standard EFT 4KV.
SOP28
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