NXP Semiconductors SC18IM704-EVB, Руководство пользователя, Страница: 6 / 10

NXP Semiconductors
UM11664
SC18IM704-EVB evaluation board
JP2 – I
2
C Header Function
1 SCL
2 GROUND
3 VCC
4 SDA
Table 3. JP2 - I
2
C header
JP1 – GPIO Function
1 GPIO0
2 GPIO1
3 GPIO2
4 GPIO3
5 GROUND
6 GPIO4
7 GPIO5
8 GPIO6
9 GPIO7
10 GROUND
Table 4. JP1 - GPIO
4.3 Schematic, board layout and bill of materials
The schematic, board layout and bill of materials for the SC18IM704-EVB evaluation
board are available at http://www.nxp.com/SC18IM704-EVB .
4.4 Sample control sequences from UART host
4.4.1 Register read
0x52 0x00 0x01 0x50 // Read register 0x00 and 0x02
4.4.2 Register write
0x57 0x02 0x54 0x03 0x56 0x50 // Write register 0x02 with 0x54 and 0x03 with 0x56
4.4.3 GPIO as input
0x57 0x02 0x55 0x03 0x5 0x50 // program GPIOs as inputs
0x49 0x50 // read input pin state
4.4.4 GPIO as output
0x57 0x02 0xAA 0x03 0xAA 0x50 // program GPIOs as output (push-pull)
UM11664 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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