r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 462

• Manufacturer Part Number: r5f21346mnfp
• Description: Single-chip Mcus Incorporates The R8c Cpu Core
• Manufacturer: Renesas Electronics Corporation.

R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 22.2
RXDi
Table 22.1
TXD0
RXD0
CLK0
TXD1
RXD1
CLK1
Pin Name
SP
SP
2SP
Block Diagram of UARTi Transmit/Receive Unit
Pin Configuration of UARTi (i = 0 or 1)
1SP
SP
P1_4
P1_5
P1_6
P0_1 or P6_3
P0_2 or P6_4
P0_3, P6_2, or P6_5
2SP
1SP
SP
Assigned Pin
PAR
PAR
0
PAR enabled
PRYE = 1
PRYE = 1
PAR enabled
0
PAR
disabled
PRYE = 0
PRYE = 0
PAR
disabled
0
0
Clock
synchronous
type
Clock
synchronous
type
0
UART
UART
0
0
Output
Output
UART (9 bits)
Input
Input
0
UART (9 bits)
I/O
I/O
I/O
Clock
synchronous
type
UART (7 bits)
UART (8 bits)
UART (7 bits)
UART (8 bits)
Clock
synchronous
type
D8
D8
Data bus low-order bits
Data bus high-order bits
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
UART (8 bits)
UART (9 bits)
Clock
synchronous
type
Serial data output
Serial data input
Transfer clock I/O
Serial data output
Serial data input
Transfer clock I/O
UART (7 bits)
UART (7 bits)
D7
D7
22. Serial Interface (UARTi (i = 0 or 1))
D6
D6
MSB/LSB conversion circuit
MSB/LSB conversion circuit
D5
D5
i = 0 or 1
SP: Stop bit
PAR: Parity bit
UARTi transmit register
D4
D4
UARTi receive register
Function
D3
D3
D2
D2
D1
D1
Page 430 of 740
D0
D0
UiRB register
UiTB register
TXDi