User Guide
15 of 67
002-32601 Rev. *C
2021-12-02
EZ-
PD™ PMG1 MCU prototyping kits guide
CY7110/CY7111/CY7112/CY7113
Introduction
Table 8
CY7112 MCU I/O header pinout
CY7112
pin
CY7112 pin
name
EZ-
PD™
PMG1-S2
MCU pin
Primary function
Secondary function Connection details
J6
1
3V3
3.3-V
regulator
output
–
Connected to the
output of the
onboard LDO
3.3-V regulator output
2
VDDIO_IN 18
VDDIO alternate input
–
Connected through the
non-populated
resistor/diode
3
GND
–
–
–
Ground
4
CC1
5
CC1 signal
–
–
5
CC2
3
CC2 signal
–
–
6
LED3_IN
10
User LED external
input. LED3 is driven by
firmware, by default.
Use this pin to drive it
externally.
P1.3 (GPIO)
Connected to LED3, and
P1.3 pin through a 0-
ohm resistor.
7
SW2_IN
9
User button output.
SW2 is input to EZ-
PD™
PMG1 MCU device. This
pin can be used to read
the button status
externally.
P1.2 (GPIO)
Connected to SW2, and
P1.2 pin through a 0-
ohm resistor
8
RESET
26
Reset pin
–
–
9
P1.1
8
UART-Rx
P1.1 (GPIO)
Connected to KitProg3
by default from board
revision 3 onwards.
For earlier revision
boards, refer to
establishing a UART
connection between the
MCU and KitProg3
10
P1.0
7
UART-Tx
P1.0 (GPIO)
11
P3.2
34
GPIO
–
–
12
P3.3
35
GPIO
–
–
13
P3.4
36
GPIO
–
–
14
P3.5
37
GPIO
–
–
15
P3.6
38
GPIO
–
–
16
P1.3
10
User LED control input
P1.3 (GPIO)
–
17
GND
–
–
–
Ground
18
NC
–
–
–
–