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HD6432351 Datasheet(PDF) 653 Page - Renesas Technology Corp

No. de pieza HD6432351
Descripción Electrónicos  16-Bit Single-Chip Microcomputer
PDF  1025 Pages
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Fabricante Electrónico  RENESAS [Renesas Technology Corp]
Página de inicio  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432351 Datasheet(HTML) 653 Page - Renesas Technology Corp

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Section 14 Smart Card Interface
Rev. 3.00 Sep 15, 2006 page 619 of 988
REJ09B0330-0300
14.2.4
Serial Control Register (SCR)
Bit
:
7
6
5
4
3
2
1
0
TIE
RIE
TE
RE
MPIE
TEIE
CKE1
CKE0
Initial value :
0
0
0
0
0
0
0
0
R/W
:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
In smart card interface mode, the function of bits 1 and 0 of SCR changes when bit 7 of the serial
mode register (SMR) is set to 1.
Bits 7 to 2—Operate in the same way as for the normal SCI.
For details, see section 13.2.6, Serial Control Register (SCR).
Bits 1 and 0—Clock Enable 1 and 0 (CKE1, CKE0): These bits are used to select the SCI clock
source and enable or disable clock output from the SCK pin.
In smart card interface mode, in addition to the normal switching between clock output enabling
and disabling, the clock output can be specified as to be fixed high or low.
SCMR
SMR
SCR Setting
SMIF
C/A, GM
CKE1
CKE0
SCK Pin Function
0
See the SCI
1
0
0
0
Operates as port I/O pin
1
0
0
1
Outputs clock as SCK output pin
1
1
0
0
Operates as SCK output pin, with output fixed low
1
1
0
1
Outputs clock as SCK output pin
1
1
1
0
Operates as SCK output pin, with output fixed high
1
1
1
1
Outputs clock as SCK output pin



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