HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 431

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

11.4 Usage Notes
11.4.1 Operation of TPC Output Pins
TP
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
Figure 11-9 illustrates the non-overlapping TPC output operation.
0
TPC output pin
if their value is 1.
to TP
15
are multiplexed with ITU, DMAC, address bus, and other pin functions. When ITU,
DDR
Q
Figure 11-9 Non-Overlapping TPC Output
Q
NDER
Q
DR
C
419
D
Compare match A
Compare match B
Q
NDR
D
Internal
data bus