Datasheet
Data Sheet ADP1649
Rev. 0 | Page 19 of 28
I²C REGISTER MAP
The lowest bit number (0) represents the least significant bit, the highest bit number (7) represents the most significant bit, and R/W indicates
whether the bit is read only (R), write only (W), or both read and write (R/W).
Table 10. Design Information Register (Register 0x00)
Bit Bit Name R/W Reset State
[7:0]
Manufacturer Information
R
00100010
Table 11. VREF and Timer Register (Register 0x02)
Bit Bit Name R/W Description
[7:6] IO2_CFG R/W GPIO2 configuration
00 = high impedance (default)
01 = indicator LED
10 = TxMASK2 operation mode
11 = analog input (to ADC)
[5:4] IO1_CFG R/W GPIO1 configuration
00 = high impedance (default)
01 = torch
10 = TxMASK1 operation mode
11 = reserved
[3:0] FL_TIM R/W Flash timer value setting
0000 = 100 ms
0001 = 200 ms
0010 = 300 ms
0011 = 400 ms
0100 = 500 ms
0101 = 600 ms
0110 = 700 ms
0111 = 800 ms
1000 = 900 ms
1001 = 1000 ms
1010 = 1100 ms
1011 = 1200 ms
1100 = 1300 ms
1101 = 1400 ms
1110 = 1500 ms
1111 = 1600 ms (default)