NXP Semiconductors SC18IS606-EVB, Руководство пользователя, Страница: 6 / 10

NXP Semiconductors
UM11666
SC18IS606-EVB evaluation board
JP2 – I
2
C Header Function
1 -Reset
2 -INT (interrupt)
3 SCL
4 Ground
5 VCC
6 SDA
Table 3. JP2 - I
2
C
JP3 – SC18IS606 I
2
C
target address
1 -2 3 -4 5 -6
0x50 ON ON ON
0x51 OFF ON ON
0x52 ON OFF ON
0x53 OFF OFF ON
0x54 ON ON OFF
0x55 OFF ON OFF
0x56 ON OFF OFF
0x57 OFF OFF OFF
Table 4. JP3 – SC18IS606 I
2
C target address
4.3 Schematic, board layout and bill of materials
The schematic, board layout and bill of materials for the SC18IS606-EVB evaluation
board are available at http://www.nxp.com/SC18IS606-EVB .
4.4 Sample control sequences from I
2
C controller
4.4.1 GPIO as input
Write 0x50 0xF6 0x07 // program chip select pins as GPIO
Write 0x50 0xF7 0xAA // configure GPIOs as inputs
Write 0x50 0xF5 // read inputs into buffer
Read 0x51 // read input pins state from buffer
4.4.2 GPIO as output
Write 0x50 0xF6 0x01 // program SS0 as GPIO
Write 0x50 0xF7 0x55 // GPIO pins as push-pull
Write 0x50 0xF4 0x00 // Set SS0 to ‘0’
Write 0x50 0xF4 0x01 // Set SS0 to ‘1’
UM11666 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved.
User manual Rev. 1.0 — 28 September 2021
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