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H8/3021 Datasheet(PDF) 336 Page - Renesas Technology Corp

Part # H8/3021
Description  16-Bit Single-Chip Microcomputer
PDF  712 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8/3021 Datasheet(HTML) 336 Page - Renesas Technology Corp

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9. Programmable Timing Pattern Controller
Rev.2.00 Mar. 22, 2007 Page 312 of 684
REJ09B0352-0200
9.4
Usage Notes
9.4.1
Operation of TPC Output Pins
TP
0 to TP15* are multiplexed with ITU pin functions. When ITU 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.
Note: * Since this LSI does not have a TP
14 pin, the TP14 signal cannot be output to the
outside.
9.4.2
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 9.9 illustrates the non-overlapping TPC output operation.
DDR
NDER
QQ
TPC output pin
DR
NDR
C
QD
QD
Compare match A
Compare match B
Figure 9.9 Non-Overlapping TPC Output



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