DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 481
DF2211NP24V
Manufacturer Part Number
DF2211NP24V
Description
H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
Manufacturer
Renesas Technology / Hitachi Semiconductor
Datasheet
1.DF2211NP24V.pdf
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12.7
The SCI supports an IC card (Smart Card) interface that conforms to ISO/IEC 7816-3
(Identification Card) as a serial communication interface extension function. Switching between
the normal serial communication interface and the Smart Card interface mode is carried out by
means of a register setting.
12.7.1
Figure 12.24 shows an example of connection with the Smart Card. In communication with an IC
card, as both transmission and reception are carried out on a single data transmission line, the TxD
pin and RxD pin should be connected to the LSI pin. The data transmission line should be pulled
up to the V
are both set to 1, closed transmission/reception is possible, enabling self-diagnosis to be carried
out. When the clock generated on the Smart Card interface is used by an IC card, the SCK pin
output is input to the CLK pin of the IC card. This LSI port output is used as the reset signal.
Pin Connection Example
Figure 12.24 Schematic Diagram of Smart Card Interface Pin Connections
Operation in Smart Card Interface
CC
power supply with a resistor. If an IC card is not connected, and the TE and RE bits
Connected equipment
This LSI
Px (port)
SCK
RxD
TxD
Data line
Clock line
Reset line
V
CC
Rev.7.00 Dec. 24, 2008 Page 427 of 698
I/O
CLK
RST
IC card
REJ09B0074-0700
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