r5f21368sdfp Renesas Electronics Corporation., r5f21368sdfp Datasheet - Page 428
r5f21368sdfp
Manufacturer Part Number
r5f21368sdfp
Description
Renesas Mcu R8c Family / R8c/3xt-a Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.R5F21368SDFP.pdf
(760 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
r5f21368sdfp#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Under development
R8C/36T-A Group
R01UH0240EJ0001 Rev.0.01
Apr 28, 2011
Figure 20.1
CTS2/RTS2
CLK2
SMD0 to SMD2, CKDIR: Bits in U2MR register
CLK0, CLK1, CKPOL, CRD, CRS: Bits in U2C0 register
DF2EN: Bit in U2RXDF register
fC1
RXD2
Clock source selection
f32
f1
f8
= 00b
= 01b
= 10b
= 11b
CLK1 and CLK0
switch circuit
CLK polarity
CKPOL
CTS2/RTS2 selected
Preliminary document
Specifications in this document are tentative and subject to change.
UART2 Block Diagram
CKDIR
= 1
CKDIR
= 0
CRS = 0
CRS = 1
CKDIR
internal
CKDIR
external
Digital filter
CTS2/RTS2 disabled
RXD polarity
switch circuit
Clock synchronous type
(internal clock selected)
1 / (n + 1)
U2BRG
register
CRD = 0
CRD = 1
VSS
DF2EN = 0
DF2EN = 1
CTS2/RTS2 disabled
1/16
1/16
1/2
Clock synchronous type
(external clock selected)
Clock synchronous type
Clock synchronous type
(internal clock selected)
Clock synchronous type
UART transmission
UART reception
= 100b, 101b, or 110b
= 100b, 101b, or 110b
= 001b or 010b
= 001b or 010b
n: Value set in U2BRG register
CKDIR = 0
CKDIR = 1
RTS2
CTS2
SMD2 to SMD0
control circuit
Transmission
control circuit
Reception
Receive
clock
Transmit
clock
20. Serial Interface (UART2)
Transmit/
receive
unit
Page 397 of 725
polarity
switch
circuit
TXD
TXD2
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