R5F61525 RENESAS [Renesas Technology Corp], R5F61525 Datasheet - Page 467
R5F61525
Manufacturer Part Number
R5F61525
Description
32-Bit CISC Microcomputer H8SX Family H8SX/1500 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.R5F61525.pdf
(846 pages)
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12.7
The SCI supports the IC card (smart card) interface, conforming to ISO/IEC 7816-3 (Identification
Card) standard, as an extended serial communication interface function. Smart card interface
mode can be selected using the appropriate register.
12.7.1
Figure 12.21 shows a sample connection between the smart card and this LSI. As in the figure,
since this LSI communicates with the IC card using a single transmission line, interconnect the
TxD and RxD pins and pull up the data transmission line to V
and TE bits to 1 with the IC card not connected enables closed transmission/reception allowing
self diagnosis. To supply the IC card with the clock pulses generated by the SCI, input the SCK
pin output to the CLK pin of the IC card. A reset signal can be supplied via the output port of this
LSI.
Operation in Smart Card Interface Mode
Sample Connection
Figure 12.21 Pin Connection for Smart Card Interface
Main unit of the device
to be connected
Rx (port)
This LSI
SCK
RxD
TxD
Reset line
Clock line
Data line
Section 12 Serial Communication Interface (SCI)
V
CC
Rev. 3.00 Mar. 14, 2006 Page 429 of 804
CC
using a resistor. Setting the RE
I/O
CLK
RST
IC card
REJ09B0104-0300
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