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H8/3002 Datasheet(PDF) 415 Page - Renesas Technology Corp

Part # H8/3002
Description  Microcomputer
PDF  700 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3002 Datasheet(HTML) 415 Page - Renesas Technology Corp

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11.4 Usage Notes
11.4.1 Operation of TPC Output Pins
TP0 to TP15 are multiplexed with ITU, DMAC, address bus, and other pin functions. When ITU,
DMAC, or address output is enabled, the corresponding pins cannot be used for TPC output. The
data transfer from NDR bits to DR bits takes place, however, regardless of the usage of the pin.
Pin functions should be changed only under conditions in which the output trigger event will not
occur.
11.4.2 Note on Non-Overlapping Output
During non-overlapping operation, the transfer of NDR bit values to DR bits takes place as
follows.
1.
NDR bits are always transferred to DR bits at compare match A.
2.
At compare match B, NDR bits are transferred only if their value is 0. Bits are not transferred
if their value is 1.
Figure 11-9 illustrates the non-overlapping TPC output operation.
Figure 11-9 Non-Overlapping TPC Output
DDR
NDER
QQ
TPC output pin
DR
NDR
C
QD
QD
Compare match A
Compare match B
Internal
data bus
401



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