Garz & Fricke SANTARO 12.1 OF RES, Product Manual

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Pin Name
Description
Default Mode
Description
Mode 1
Level
1 GND Ground Ground
3.3 V
2 GND Ground Ground
3
KP_ROW0 Keypad row 0 Keypad row 0
4 KP_COL0 Keypad column 0 Keypad column 0
5 KP_ROW1 Keypad row 1 Keypad row 1
6 KP_COL1 Keypad column 1 Keypad column 1
7
KP_ROW2 Keypad row 2 Keypad row 2
8 KP_COL2 Keypad column 2 Keypad column 2
9 KP_ROW3 Keypad row 3 Keypad row 3
10 KP_COL3 Keypad column 3 Keypad column 3
11 KP_ROW4
I²C2 SDA (without
internal pullups)1 I²C2 SDA (without
internal pullups)1
12 KP_COL4
I²C2 SCL (without
internal pullups)1 I²C2 SCL (without
internal pullups)1
13 KP_ROW5_DMA Keypad row 5 SPI Interrupt Request
14 KP_COL5_SS1 Keypad column 5 SPI Slave Select 1
15
KP_ROW6_MISO Keypad row 6 SPI Master in Slave out
16
KP_COL6_MOSI Keypad column 6 SPI Master out Slave in
17 KP_ROW7_SLK Keypad row 7 SPI Serial Clock
18 KP_COL7_SS0 Keypad column 7 SPI Slave Select 0
19
Aux_Out 500 mA (can be controlled by software) 5.0 V
20
Header: JST SM20B-SRDS-G-TF, side entry, RM = 1.00
Plug: JST SHDR-20V-S-B, crimp contact: SSH-003GA-P0.2
1 9
2
1
PRODUCT MANUAL
SANTARO core
6.6 Keypad/SPI (X21)
Keypad/SPI/I²C, multiplexed
1 Note: I²C2 Signals on Pin 11 and 12 are shared with HDMI. When HDMI ist populated, these signals cannot be used as GPIO and there are
4.7kOhm Pull-Up resistors applied.