IS31SE5000
Integrated Silicon Solution, Inc. – www.issi.com 8
Rev. B, 12/23/2015
REGISTERS DEFINITIONS
Table 2 Register Function
Address Name Function R/W Table Default
00h Status Register Store the motion information R 3 xxxx xxxx
01h Shutdown Register Set software shutdown W 4
0000 0000
11h Configuration Register
Configure operating function
W 5
Table 3 00h Status Register (Read Only)
Bit D7:D4 D3:D2 D1:D0
Name - PD MD
Default -
The Status Register stores the motion information
which detected by IS31SE5000.
PD Proximity Detection (Figure 7)
01 Be off
10 Be close
Others No motion
PD1 IRLED
Figure 7 Proximity Mode Detect (Side View)
MD Motion Detection (Figure 8)
01 From PD2 to PD1
10 From PD1 to PD2
Others No motion
Figure 8 Motion Mode Detect (Top View)
Table 4 01h Shutdown Register
Bit D7:D1 D0
Name - SSD
Default 0000000 0
The Shutdown Register sets software shutdown mode
of IS31SE5000.
SSD Software Shutdown Enable
0 Software shutdown mode
1 Normal operation
Table 5 11h Configuration Register
Bit D7:D4 D3:D1 D0
Name - EC MODE
Default 0000 000 0
The Configuration Register sets the operating function.
EC Emitting Current Setting
(Adjusting detection distance, refer to detail
information in Page 10)
000 400mA
001 280mA
01x 210mA
1xx 70mA
MODE Mode Selection
0 Motion mode
1 Proximity mode
