SH7763 Datasheet, PDF (1337/2026 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC Engine Family SH-4A Series

Section 30 SIM Card Module (SIM)
Initiallzation
Clear the TE and RE bits in SCSCR to 0
(1)
Clear the ERS, PER, ORER, and
(2)
WAIT_ER flags in SCSSR to 0
Set the party using the O/E bit in SCSMR. (3)
Set the LCB, PB, SMIF, SDIR, and
(4)
SINV bits in SCSCMR
Set SCBRR
(5)
Set the clock using the CKE1 and CKE0
bits in SCSCR. Clear the TIE, RIE,
(6)
TE, RE, TEIE, and WAIT_IE flags to 0.
Wait
Has a 1-bit
No
interval elapsed?
Yes
Set the TIE,RIE, TE, and RE bits in SCSCR ⁽⁷⁾
End
Figure 30.4 Example of Initialization Flow
(2) Serial Data Transmission
Data transmission in smart card mode includes error signal sampling and retransmit processing.
An example of transmit processing is shown in figure 30.5.
Step (1) to step (6) of figure 30.5 correspond to the following operation.
Rev. 1.00 Oct. 01, 2007 Page 1271 of 1956
REJ09B0256-0100