Pin
Name
Description
Mode 2
Description
Mode 3
Level
1-10
Identical to standard
Identical to standard
3.3 V
11
KP_ROW4
Keypad row 4
Keypad row 4
12
KP_COL4
Keypad column 4
Keypad column 4
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
2 0
2
1
PRODUCT MANUAL
SANTARO core
Keypad/SPI/I²C, multiplexed 1*
* alternative assembly upon request
