548
14.1.2
Block Diagram
Figure 14-1 shows a block diagram of the PWM D/A module.
Internal clock
ø
ø/2
PWM0
PWM1
DADRA
DADRB
DACNT
DACR
Legend:
DACR:
PWM D/A control register ( 6 bits)
DADRA: PWM D/A data register A (15 bits)
DADRB: PWM D/A data register B (15 bits)
DACNT: PWM D/A counter (14 bits)
Control logic
Clock selection
Clock
Internal data bus
Basic cycle
compare-match A
Fine-adjustment
pulse addition A
Basic cycle
compare-match B
Fine-adjustment
pulse addition B
Basic cycle overflow
Comparator
A
Comparator
B
Bus interface
Module data bus
Figure 14-1 PWM D/A Block Diagram
Содержание H8S/2631
Страница 28: ...xviii Appendix G Package Dimensions 1154 ...
Страница 341: ...316 Transfer SAR or DAR DAR or SAR Block area First block Nth block Figure 9 8 Memory Mapping in Block Transfer Mode ...
Страница 918: ...905 ø DREQ0 DREQ1 tDRQS tDRQH Figure 25 19 DMAC DREQ Input Timing ...
Страница 955: ...943 A 2 Instruction Codes Table A 2 shows the instruction codes ...