米6体育平台手机版

ZHCS275D July 2010 – January 2023 TCA6424A

PRODUCTION DATA

#GUID-AFA131B0-6751-4E7F-A48A-0E4807737F2B/SCPS1531201 shows how to set up V_CC levels for the necessary voltage translation between the I²C bus and the TCA6424A.

Table 8-1 Voltage Translation

V_CCI (SDA AND SCL OF I²C CONTROLLER) (V)	V_CCP (P PORT) (V)
1.8	1.8
1.8	2.5
1.8	3.3
1.8	5
2.5	1.8
2.5	2.5
2.5	3.3
2.5	5
3.3	1.8
3.3	2.5
3.3	3.3
3.3	5
5	1.8
5	2.5
5	3.3
5	5

V_CCI (SDA AND SCL OF I²C CONTROLLER) (V)	V_CCP (P PORT) (V)
1.8	1.8
1.8	2.5
1.8	3.3
1.8	5
2.5	1.8
2.5	2.5
2.5	3.3
2.5	5
3.3	1.8
3.3	2.5
3.3	3.3
3.3	5
5	1.8
5	2.5
5	3.3
5	5

V_CCI (SDA AND SCL OF I²C CONTROLLER) (V)	V_CCP (P PORT) (V)
1.8	1.8
1.8	2.5
1.8	3.3
1.8	5
2.5	1.8
2.5	2.5
2.5	3.3
2.5	5
3.3	1.8
3.3	2.5
3.3	3.3
3.3	5
5	1.8
5	2.5
5	3.3
5	5

V_CCI (SDA AND SCL OF I²C CONTROLLER) (V)	V_CCP (P PORT) (V)
1.8	1.8
1.8	2.5
1.8	3.3
1.8	5
2.5	1.8
2.5	2.5
2.5	3.3
2.5	5
3.3	1.8
3.3	2.5
3.3	3.3
3.3	5
5	1.8
5	2.5
5	3.3
5	5