HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 364
HD6417144
Manufacturer Part Number
HD6417144
Description
32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6417144.pdf
(930 pages)
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11.
Status Flag Clearing Timing: After a status flag is read as 1 by the CPU, it is cleared by writing
0 to it. When the DTC/DMAC is activated, the flag is cleared automatically. Figure 11.68 shows
the timing for status flag clearing by the CPU, and figure 11.69 shows the timing for status flag
clearing by the DTC/DMAC.
Rev.4.00 Mar. 27, 2008 Page 320 of 882
REJ09B0108-0400
Multi-Function Timer Pulse Unit (MTU)
Figure 11.69
Pφ
Address
Write signal
Status flag
Interrupt
request signal
Pφ
Address
Status flag
Interrupt
request signal
Figure 11.68
Timing for Status Flag Clearing by DTC/DMAC Activation
Timing for Status Flag Clearing by CPU
TSR write cycle
Source address
DTC/DMAC
TSR address
T1
read cycle
T1
T2
T2
DTC/DMAC
T1
write cycle
Destination
address
T2
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