h8s-2646 Renesas Electronics Corporation., h8s-2646 Datasheet - Page 538

• Manufacturer Part Number: h8s-2646
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

Section 14 Smart Card Interface
Bits 3 to 0—Operate in the same way as for the normal SCI. For details, see section 13.2.7, Serial
Status Register (SSR).
However, the setting conditions for the TEND bit, are as shown below.
Note: etu: Elementary Time Unit (time for transfer of 1 bit)
Rev. 5.00 Sep 22, 2005 page 512 of 1136
REJ09B0257-0500
Bit 2
TEND
0
1
Description
Transmission is in progress
[Clearing conditions]
•
•
Transmission has ended
[Setting conditions]
•
•
•
•
•
•
When 0 is written to TDRE after reading TDRE = 1
When the DTC is activated by a TXI interrupt and write data to TDR
Upon reset, and in standby mode or module stop mode
When the TE bit in SCR is 0 and the ERS bit is also 0
When TDRE = 1 and ERS = 0 (normal transmission) 2.5 etu after transmission of a
1-byte serial character when GM = 0 and BLK = 0
When TDRE = 1 and ERS = 0 (normal transmission) 1.5 etu after transmission of a
1-byte serial character when GM = 0 and BLK = 1
When TDRE = 1 and ERS = 0 (normal transmission) 1.0 etu after transmission of a
1-byte serial character when GM = 1 and BLK = 0
When TDRE = 1 and ERS = 0 (normal transmission) 1.0 etu after transmission of a
1-byte serial character when GM = 1 and BLK = 1
(Initial value)