HD6412332 RENESAS [Renesas Technology Corp], HD6412332 Datasheet - Page 689

• Manufacturer Part Number: HD6412332
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

Restrictions on Use of DMAC or DTC
• When an external clock source is used as the serial clock, the transmit clock should not be
• When RDR is read by the DMAC or DTC, be sure to set the activation source to the relevant
input until at least 5 φ clock cycles after TDR is updated by the DMAC or DTC. Misoperation
may occur if the transmit clock is input within 4 φ clocks after TDR is updated. (Figure 14.22)
SCI receive-data-full interrupt (RXI).
SCK
TDRE
Serial data
Note: When operating on an external clock, set t > 4 clocks.
Figure 14.22 Example of Synchronous Transmission Using DTC
t
LSB
D0
D1
D2
D3
Rev.4.00 Sep. 07, 2007 Page 659 of 1210
D4
D5
D6
REJ09B0245-0400
D7