User's Manual

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Features
I2C interface.
I
2C-bus interface up to 400 kBd in Fast mode, up to 3400 kBd in High-speed mode
FIFO buffer handles 64 byte send and receive
Flexible interrupt modes
Hard reset with low power function
Power-down mode per software
Programmable timer
Internal oscillator for connection to 27.12 MHz quartz crystal
2.5 V to 5.5 V power supply
CRC coprocessor
Programmable I/O pins
Internal self-test
Pin description
Pin Symbol Type Description
1 VCC_IN PWR DigitalPowerSupply
2 GND PWR DigitalGround
3 NRSTPD I NotResetandPowerDown
4 IRQ O InterruptRequest
5 I2C_SDA I/O I2Cdata
6 I2C_SCL I I2Caddress
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Electrical Characteristics
Symbol Parameter Min Typ Max Unit
VDD
digital supply voltage
2.5 5.5 V
IDD
digital supply current
400 mA
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