PRELIMINARY
SF104-P01
SF3013M Fingerprint Image Sensor Module User Manual
Page - 7
2 Physical
Dimension
The sensor’s active pixel array is 160x160 pixels, and the SF104xM module is a
13.4mm*13.9mm highly integrated SPI fingerprint module.
3 Device
operation
3.1 Setting up clock divider
The fingerprint sensor module has an on-board oscillator of 18Mhz, the sensor’s
internal clock logic is summarized as the following figure:
Sensor
& ADC
128-BYTE
FIFO
SPI
interface
Timing
Generator
Registers
Digital control
Register access
Analog control
D0~D7
D0~D7
ADCCLK
MCU
OTP
