HD6417320 RENESAS [Renesas Technology Corp], HD6417320 Datasheet - Page 1057

• Manufacturer Part Number: HD6417320
• Description: Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7700 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

30.3.6
SCSSR is an 8-bit readable/writable register that indicates the operating state of the smart card
interface.
Bit
7
Bit Name
TDRE
Serial Status Register (SCSSR)
Initial
Value
1
R/W
R/W
Description
Transmit Data Register Empty
Indicates that data was transferred from the transmit data
register (SCTDR) to the transmit shift register (SCTSR),
and that the next serial transmit data can be written to
SCTDR.
0: Indicates that valid transmit data is written to SCTDR
[Clearing conditions]
•
•
1: Indicates that there is no valid transmit data in SCTDR
[Setting conditions]
•
•
•
When the TE bit in CCSCR is 1, and data is written to
SCTDR
When 0 is written to the TDRE bit
On reset
When the TE bit in SCSCR is 0
When data is transferred from SCTDR to SCTSR, and
data can be written to SCTDR
Rev. 3.00 Jan. 18, 2008 Page 995 of 1458
Section 30
SIM Card Module (SIM)
REJ09B0033-0300