THCV242_ Rev.2.00_E
Copyright
©
2019 THine Electronics, Inc. THine Electronics, Inc.
14/53
Security E
6.3.
Local, Remote and Remote Slave Register Programming
2-wire serial I/F slave Device ID
To use basic functions, initialization, GPIO (General Purpose Input/Output), fault/error detection, and interrupt
function, 2-wire serial I/F enables to access registers. AIN<1:0> pin determines 2-wire slave Device ID setting.
Table 7.
2-wire serial I/F Device ID select by AIN pin
As an additional method, 2-wire slave Device ID setting can be changed from default value by register setting.
Table 8.
2-wire serial I/F Device ID select by register setting
AIN1
37
I1
AIN0
36
I1
Device Address Setting for 2-w ire Serial Interface
[AIN1:AIN0]=00: ID=7'h0B
[AIN1:AIN0]=01: ID=7'h34
[AIN1:AIN0]=10: ID=7'h77
[AIN1:AIN0]=11: ID=7'h65
Addr(h)
bit
Register Name
width
R/W
Description
Default
0x0030
[7:0] R_2WIRE_SADR
8
RW
2WIRE slave device address setting
[7]2WIRE slave device address control
0: 2WIRE slv device addr. is set by AIN<1:0> pin
1: 2WIRE slv device addr. is set by following register [6:0]
[6:0]2WIRE slave device address value for register control
8'd0