ADP1655

Rev. 0 | Page 16 of 24

The lowest bit number (0) represents the least significant bit, and the highest bit number (7) represents the most significant bit.

Table 8. Design Information Register (Register 0x00)

Bit

R/W

Reset State

7:0

R

00100001

Table 9. Version Register (Register 0x01)

Bit

R/W

Reset State

7:0

R

00000001

Table 10. VREF and Timer Register (Register 0x02)

Bit

R/W

Description

7:6

R/W

Reserved

5:4

R/W

Number of LEDs detection comparator reference level

00 = 4.3 V (default)

01 = 4.6 V

10 = 4.0 V

11 = 4.9 V

3:0

R/W

Flash timer value setting

0000 = 100 ms

0001 = 150 ms

0010 = 200 ms

0011 = 250 ms

0100 = 300 ms

0101 = 350 ms

0110 = 400 ms

0111 = 450 ms

1000 = 500 ms

1001 = 550 ms

1010 = 600 ms

1011 = 650 ms

1100 = 700 ms

1101 = 750 ms

1110 = 800 ms

1111 = 850 ms (default)