SH7721 datasheet(1051/1524 Pages) RENESAS

1051 / 1524 page

Section 30

SIM Card Module (SIM)

Rev. 3.00 Jan. 18, 2008 Page 989 of 1458

REJ09B0033-0300

30.2

Input/Output Pins

The pin configuration of the smart card interface is shown in table 30.1.

Table 30.1

Pin Configuration

Name

Abbreviation

I/O

Function

SIM data

SIM_D*

I/O

Transmit/receive data input/output

SIM clock

SIM_CLK

Output

Clock output

SIM reset

SIM_RST

Output

Smart card reset output

Note:

In explaining transmit and receive operations, the transmit data and receive data sides

shall be referred to as TxD and RxD, respectively.

30.3

The SIM card module has the following registers. Refer to section 37, List of Registers, for more

details on the addresses and states of these registers in each operating mode.

• Serial mode register (SCSMR)

• Bit rate register (SCBRR)

• Serial control register (SCSCR)

• Transmit shift register (SCTSR)

• Transmit data register (SCTDR)

• Serial status register (SCSSR)

• Receive shift register (SCRSR)

• Receive data register (SCRDR)

• Smart card mode register (SCSCMR)

• Serial control 2 register (SCSC2R)

• Guard extension register (SCGRD)

• Wait time register (SCWAIT)

• Sampling register (SCSMPL)

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