Preliminary
THCV245A_Rev.0.90_E
Copyright©2020 THine Electronics, Inc.
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6.17 2-wire serial interface
6.17.1
2-wire serial I/F slave Device ID
To use GPIO (General Purpose Input/Output), fault/error detection, and interrupt function, 2-wire serial I/F
enables to access registers. AIN pin determines 2-wire slave Device ID setting.
Table 27.
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 28.
2-wire serial I/F Device ID select by register setting
Pin Name
Pin #
type*
Description
AIN
27
I
Select Slave Address
0 : 2w ire serial Address = 7'b000_1011
1 : 2w ire serial Address = 7'b011_0100
M
aster
Master
Slave
or
S
lav e
Addr(h) Addr(h)
Bits
Register
w idth
R/W
Description
Default
related
0x0050 0x00D0
[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 pin
1: 2WIRE slv device addr. is set by f ollow ing register [6:0]
[6:0]2WIRE slave device address value f or register control
8'd0
MS
Sub-Link