H8S-2350 RENESAS [Renesas Technology Corp], H8S-2350 Datasheet - Page 665

• Manufacturer Part Number: H8S-2350
• Description: 16-Bit Single-Chip Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

(1) Data write
(2) Transfer from
(3) Serial data output
Note: When the ERS flag is set, it should be cleared until transfer of the last bit (D7 in LSB-first
I/O data
TXI
(TEND interrupt)
In case of normal transmission: TEND flag is set
In case of transmit error:
TDR to TSR
When GM = 0
Legend:
Ds
D0 to D7 : Data bits
Dp
DE
When GM = 1
transmission, D0 in MSB-first transmission) of the next transfer data to be transmitted has
been completed.
Figure 14.5 Relation Between Transmit Operation and Internal Registers
Figure 14.6 TEND Flag Generation Timing in Transmission Operation
: Start bit
: Parity bit
: Error signal
Ds
Data 1
Data 1
Data 1
TDR
D0 D1 D2 D3 D4 D5 D6 D7 Dp
ERS flag is set
Steps (2) and (3) above are repeated until the TEND flag is set
(shift register)
11.0etu
Data 1
TSR
12.5etu
Rev. 3.00 Sep 15, 2006 page 631 of 988
; Data remains in TDR
Data 1
Section 14 Smart Card Interface
I/O signal line output
Guard
time
DE
REJ09B0330-0300