HD6432621 Hitachi, HD6432621 Datasheet - Page 375
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HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
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10.4.4
Buffer operation, provided for channels 0 and 3, enables TGRC and TGRD to be used as buffer
registers.
Buffer operation differs depending on whether TGR has been designated as an input capture
register or as a compare match register.
Table 10-5 shows the register combinations used in buffer operation.
Table 10-5 Register Combinations in Buffer Operation
Channel
0
3
Buffer register
When TGR is an output compare register
When a compare match occurs, the value in the buffer register for the corresponding channel is
transferred to the timer general register.
This operation is illustrated in figure 10-16.
Buffer Operation
Figure 10-16 Compare Match Buffer Operation
Timer General Register
TGR0A
TGR0B
TGR3A
TGR3B
Compare match signal
Timer general
register
Comparator
Buffer Register
TGR0C
TGR0D
TGR3C
TGR3D
TCNT
331
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