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SH7014 Datasheet(PDF) 295 Page - Renesas Technology Corp

Part # SH7014
Description  32-Bit RISC Microcomputer
PDF  754 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7014 Datasheet(HTML) 295 Page - Renesas Technology Corp

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10. Multifunction Timer Pulse Unit (MTU)
Rev.5.00 Sep. 27, 2007 Page 261 of 716
REJ09B0398-0500
Status Flag Clearing Timing: The status flag is cleared when the CPU reads a 1 status followed
by a 0 write. For DMA controller activation, clearing can also be done automatically. Figure 10.47
shows the timing for status flag clearing by the CPU. Figure 10.48 shows timing for clearing due
to the DMA controller.
Status flag
Interrupt
request signal
Address
Write signal
φ
T1
T2
TSR write cycle
TSR address
Figure 10.47 Timing of Status Flag Clearing by the CPU
Status flag
Interrupt
request signal
Address
φ
T1
T2
DMAC
read cycle
DMAC
write cycle
Source
address
Destination
address
T1
T2
Figure 10.48 Timing of Status Flag Clearing by DMAC Activation



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