TMPM4K Group(1)
Product Inromation
2018-09-18
56 / 89
Rev. 2.1
Universal Asynchronous Receiver Transmitter Circuit(UART)
2.5.1. Built-in channel
Following table show the UART built-in channel of each product.
In TMPM4K Group(1), Maximum Communication speed of UART is 5 Mbps.
Table 2.23 UART built-in channel
Product
UART channel (
: Available, - : N/A )
ch0
ch1
ch2
ch3
M4K4
M4K2
-
M4K1
-
-
M4K0
-
-
2.5.2. Function pin and port
The functional pins are assigned to the port of the following tables.
Please do not use simultaneously the same function currently assigned to two or more pins.
There is also a channel which does not have functional pins depending on a product.
Table 2.24 UART functional pin and port
Channel
Function Pin
(signal name)
Port
Products list(
: Available, - : N/A )
M4K4
M4K2
M4K1
M4K0
ch0
UT0TXDA
Output
PK1
PK3
PK0
PK2
UT0RXD
Input
PK0
PK2
PK1
PK3
ch1
UT1TXDA
Output
PA0
-
-
PA1
-
-
UT1RXD
Input
PA1
-
-
PA0
-
-
ch2
UT2TXDA
Output
PG0
UT2RXD
Input
PG1
ch3
UT3TXDA
Output
PC0
-
-
-
PC1
-
-
-
UT3RXD
Input
PC1
-
-
-
PC0
-
-
-