HD6412320 RENESAS [Renesas Technology Corp], HD6412320 Datasheet - Page 691

• Manufacturer Part Number: HD6412320
• 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
Note: * The DMAC is not supported in the H8S/2321.
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
Section 14 Serial Communication Interface (SCI)
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Rev.6.00 Sep. 27, 2007 Page 661 of 1268
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REJ09B0220-0600
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