Renesas rl78 User Manual
RL78/G1A
CHAPTER 12 SERIAL ARRAY UNIT
R01UH0305EJ0200 Rev.2.00
535
Jul 04, 2013
12.7 LIN Communication Operation
12.7.1 LIN transmission
Of UART transmission, UART2 of the 32, 48, and 64-pin products support LIN communication.
For LIN transmission, channel 0 of unit 1 is used.
UART UART0
UART1
UART2
Support of LIN communication
Not supported
Not supported
Supported
Target channel
−
−
Channel 0 of SAU1
Pins used
−
−
TxD2
−
−
INTST2
Interrupt
Transfer end interrupt (in single-transfer mode) or buffer empty interrupt (in continuous transfer
mode) can be selected.
Error detection flag
None
Transfer data length
8 bits
Transfer rate
Note
Max.
f
MCK
/6 [bps] (SDR10 [15:9] = 2 or more), Min. f
CLK
/(2
× 2
15
× 128) [bps]
Data phase
Non-reverse output (default: high level)
Reverse output (default: low level)
Parity bit
No parity bit
Stop bit
Appending 1 bit
Data direction
LSB first
Note
Use this operation within a range that satisfies the conditions above and the peripheral functions characteristics in
the electrical specifications (see CHAPTER 29 ELECTRICAL SPECIFICATIONS (T
A
=
−40 to +85°C),
CHAPTER 30 ELECTRICAL SPECIFICATIONS (G: INDUSTRIAL APPLICATIONS T
A
=
−40 to +105°C)). In
addition, LIN communication is usually 2.4/9.6/19.2 kbps is often used.
Remark
f
MCK
: Operation clock frequency of target channel
f
CLK
: System clock frequency