Pin
Name
Description
Default Mode
Level
1
Power Supply
5.0 V
2
GND
Ground
3.3 V
3
PCK0_GPIO6_7
Keypad row 0
4
PCK1_GPIO6_8
Keypad column 0
5
PCK2_GPIO6_9
Keypad row 1
6
PCK3_GPIO6_10
Keypad column 1
7
PCK4_GPIO6_11
Keypad row 2
8
PCK5_GPIO6_15
Keypad column 2
9
I2C2_SDA
I²C data
10
I2C2_SCL
I²C clock
Header: JST DF20F-10DP, side entry, RM = 1.00
Plug: JST DF20-10DS-1C, crimp contact: DF20 F2830 SCF A
Drive Strength
(Software defined)
I_OL (mA)
I_OH (mA)
Low
5.1
-5.1
Medium
10.2
-10,2
High
15.3
-15,3
2 2
1
2
PRODUCT MANUAL
SANTINO LT core
6.13 Keypad / I²C (X110)
Keypad/SPI/I²C, multiplexed
Digital output Specification (3.3 V):
V_OH: min OVDD-0.15; V_OL max: 0.15V