P4S-341 User Manual > Layout
2019-03-14
Sollae Systems
page 7 of 17
Label
Description
Label
Description
AD2
ADC channel 2
AD5
ADC channel 5
GND
Ground
GND
Ground
HT0
Hardware Timer 0
HT2
Hardware Timer 2
HT1
Hardware Timer 1
HT3
Hardware Timer 3
NSS/0
SPI - NSS / UIO0 #0
12
UART #1 RTS / UART #1 TxDE /
UIO0 #12
SCK/1
SPI - SCK / UIO0 #1
13
UART #1 CTS / UIO0 #13
MISO/2
SPI - MISO / UIO0 #2
14
UIO0 #14
MOSI/3
SPI - MOSI / UIO0 #3
15
UIO0 #15
U0TX/4
UART #0 TX / UIO0 #4
16
UIO0 #16
U0RX/5
UART #0 RX / UIO0 #5
17
UIO0 #17
SCL/6
I2C - SCL / UIO0 #6
18
UIO0 #18
SDA/7
I2C - SDA / UIO0 #7
19
UIO0 #19
8
UART #0 RTS / UART #0 TxDE /
UIO0 #8
20/DM
UIO0 #20
9
UART #0 CTS / UIO0 #9
21/DP
UIO0 #21
U1TX/10
UART #1 TX/ UIO0 #10
STX
SPC TX
U1RX/11
UART #1 RX/ UIO0 #11
SRX
SPC RX
GND
Ground
SRO
SPC Reset
PWR5
Output Supplied Power
(5V±0.5V)
3.3V
3.3V Output
9. JP4(VDDA-AREF)
If you connect this port, 3.3V is supplied to the analog input reference port (AREF).
10. Internal Battery
Internal battery is for saving log messages and operating RTC. Specification of this battery is as
follows:
Parameter
Value
Capacity
48mAh
Nominal Voltage
DC 3V
※ Refer to the
for more information about the battery