r5f21346mnfp Renesas Electronics Corporation., r5f21346mnfp Datasheet - Page 492

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r5f21346mnfp

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

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Part Number
Manufacturer
Quantity
Price
Part Number:
r5f21346mnfp#V0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
R8C/34M Group
R01UH0131EJ0100 Rev.1.00
Jun 21, 2011
23.2.11 UART2 Special Mode Register 2 (U2SMR2)
23.2.12 UART2 Special Mode Register (U2SMR)
Note:
1. The BBS bit is set to 0 by writing 0 by a program (Writing 1 has no effect).
After Reset
After Reset
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Bit
b0
b1
b2
b3
b4
b5
b6
b7
Address 00BEh
Address 00BFh
Symbol
Symbol
Symbol
Symbol
SWC2
Bit
IICM2
Bit
STAC
SWC
SDHI
CSC
IICM
BBS
b7
b7
X
X
I
Clock synchronization bit
SCL wait output bit
Reserved bit
UART2 initialization bit
SCL wait output bit 2
SDA output disable bit
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
I
Reserved bit
Bus busy flag
Reserved bits
Nothing is assigned. If necessary, set to 0. When read, the content is undefined.
2
2
C mode select bit 2
C mode select bit
SDHI
b6
b6
0
0
(1)
Bit Name
Bit Name
SWC2
b5
b5
0
0
STAC
b4
b4
0
0
Refer to Table 23.12 I
0: Disabled
1: Enabled
0: Disabled
1: Enabled
Set to 0.
0: Disabled
1: Enabled
0: Transfer clock
1: “L” output
0: Enabled
1: Disabled (high-impedance)
0: Other than I
1: I
Set to 0.
0: Stop condition detected
1: Start condition detected (busy)
Set to 0.
b3
b3
0
0
2
C mode
SWC
BBS
b2
b2
0
0
2
C mode
Function
Function
2
CSC
C Mode Functions .
b1
b1
0
0
23. Serial Interface (UART2)
IICM2
IICM
b0
b0
0
0
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