r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 484
r5f21346mnfp
Manufacturer Part Number
r5f21346mnfp
Description
Single-chip Mcus Incorporates The R8c Cpu Core
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21346MNFP.pdf
(776 pages)
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Part Number
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Part Number:
r5f21346mnfp#V0
Manufacturer:
Renesas Electronics America
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R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
Figure 23.2
Table 23.1
TXD2
RXD2
CLK2
CTS2
RTS2
SCL2
SDA2
Pin Name
RXD2
SP: Stop bit
PAR: Parity bit
SMD2 to SMD0, STPS, PRYE, IOPOL, CKDIR: Bits in U2MR register
CLK1, CLK0, CKPOL, CRD, CRS: Bits in U2C0 register
U2ERE: Bit in U2C1 register
SP
SP
SP
P3_4, P3_7, or P6_6
P3_4, P3_7, or P4_5
P3_5 or P6_5
P3_3
P3_3
P3_4, P3_7, or P4_5
P3_4, P3_7, or P6_6
inversion circuit
1SP
STPS = 0
STPS = 1
2SP
STPS = 0
STPS = 1
1SP
2SP
RXD data
Block Diagram of UART2 Transmit/Receive Unit
Pin Configuration of UART2
0
SP
PAR
0
IOPOL = 0
IOPOL = 1
PAR
PAR
enabled
PRYE = 1
PRYE = 0
PAR
disabled
0
Assigned Pin
Not inverted
Inverted
PAR
disabled
PRYE = 0
PRYE = 1
PAR
enabled
SMD = 0
0
SMD = 1
UART
I
Clock
synchronous
type
2
C
UART
I
Clock
synchronous
type
2
C
0
0
UART
(9 bits)
I
2
C
0
UART
(9 bits)
I
UART
(7 bits)
UART
(8 bits)
Clock
synchronous type
2
C
D8
Clock
synchronous type
UART
(7 bits)
UART
(8 bits)
D8
I
Clock
synchronous type
UART
(8 bits)
UART
(9 bits)
2
I
Clock
synchronous
type
2
C
C
Output
Output
UART (7 bits)
Input
UART (7 bits)
Input
Logic inversion circuit + MSB/LSB conversion circuit
Logic inversion circuit + MSB/LSB conversion circuit
UART
(8 bits)
UART
(9 bits)
Data bus high-order bits
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Data bus low-order bits
I/O
I/O
I/O
I/O
U2ERE = 0
U2ERE = 1
Error signal output disabled
Error signal output enabled
Serial data output
Serial data input
Transfer clock I/O
Transmit control input
Receive control input
I
I
2
2
C mode clock I/O
C mode data I/O
Error signal
output
circuit
UART2 receive register
UART2 transmit register
IOPOL = 1
IOPOL = 0
23. Serial Interface (UART2)
Inverted
Function
Not inverted
TXD data
inversion
circuit
Page 452 of 740
U2TB
register
U2RB
register
TXD2
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