Device Information

The Number of Device Depending on Product Types

Device P4S-341 / P4S-342 P4M-400
UART 2 2
NET 1 2
TCP 5 5
UDP 5 5
UIO 1 (24 CH) 2 (27 CH)
ST 8 8
HT 4 4
ADC 2 (6 CH) 2 (4 CH)
RTC 1 1
SPI 1 1
I2C 1 1

Device File Path Depending on Product Types

UART

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/uart0
/mmap/uart1

NET

Product Path of the Device Note
P4S-341 / P4M-400 /mmap/net0 Ethernet
P4S-342 / P4M-400 /mmap/net1 Wireless LAN

TCP

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/tcp0
/mmap/tcp1
/mmap/tcp2
/mmap/tcp3
/mmap/tcp4

UDP

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/udp0
/mmap/udp1
/mmap/udp2
/mmap/udp3
/mmap/udp4

I/O

Product Path of the Device and Mapping Information
P4S-341 / P4S-342 /mmap/uio0
app_devinfo
P4M-400 /mmap/uio0
app_devinfo
/mmap/uio1
app_devinfo

ST

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/st0
/mmap/st1
/mmap/st2
/mmap/st3
/mmap/st4
/mmap/st5
/mmap/st6
/mmap/st7

HT

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/ht0
/mmap/ht1
/mmap/ht2
/mmap/ht3

ADC

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/adc0
/mmap/adc1

SPI

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/spi0

I2C

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/i2c0

RTC

Product Path of the Device
P4S-341 / P4S-342 / P4M-400 /mmap/rtc0

ENV and User Memory

Product Path of the Device Size (Byte)
P4S-341 / P4S-342 / P4M-400 System ENV /mmap/envs 1536
User ENV /mmap/envu 1536
User Memory /mmap/um0 64
/mmap/um1 64
/mmap/um2 64
/mmap/um3 64
Nonvolatile Memory /mmap/nm0 2048