PRELIMINARY
SF104-P01
SF3013M Fingerprint Image Sensor Module User Manual
Page - 18
Bit address for writing
[0]
OTP_WD
Write data
REG_OTP_
MODE
6
RW
0000_0000 OTP control
[7:3]
Not used
[2]
OTP_PRG
OTP “PRG” control bit (Program enable)
[1]
OTP_RST
OTP “RST” control bit (Reset)
[0]
OTP_CEB
OTP “CEB” control bit (Enable, active low)
REG_OTP_R
DAT
7
R
OTP read data
[7:0]
OTP_RDAT
OTP read data
REG_DETH 8
RW
1111_1111
Detection
threshold
[7:0]
DETH
Finger detection threshold value
See the “finger detection” section below
REG_DDIV 9 RW
0000_0000 Clock divider for detection interval
[7:0]
DDIV
A clock divider for finger detection interval
See the “finger detection” section below
REG_ENAB A
RW
0000_0000 Enable
bits
