185
CHAPTER 10 PWC (Pulse Width Count: Pulse Width Measurement)
10.2
Block Diagram
This section shows the PWC block diagram.
■
PWC Block Diagram
Figure 10.2-1 PWC Block Diagram
R-b
u
s
Error detection ERR
PWCR0/PWCR1
16-bit up counter
Control circuit
Edge
detection
End edge
selection
Start edge
selection
Measurement
start edge
Measurement
end edge
Control bit output
Flag set, etc
Measurement end interrupt request
Overflo
w
interrupt request
ERR
15
/
2
/
Divide ratio selection
Division
ON/OFF
8-bit
divider
PWI0
PWI1
Clock
divider
2
2
2
3
CKS1/
CKS0
Divider clear
Clear
Count enable
Clock
Overflo
w
Reload
Data transfer
/ 16
/ 16
Wr
ite enab
le
PWCR0/PWCR1 read
16
/
/
16
Internal clock
(machine clock /4)
CKS1/CKS0
Input
w
aveform
comparator
PIS1/PSI0
PDIVR0/PDIVR1
PWCSR0/PWCSR1
Summary of Contents for FR60Lite
Page 3: ......
Page 5: ......
Page 115: ...100 CHAPTER 3 CPU AND CONTROL UNITS ...
Page 127: ...112 CHAPTER 4 I O PORTS ...
Page 143: ...128 CHAPTER 5 INTERRUPT CONTROLLER ...
Page 155: ...140 CHAPTER 6 EXTERNAL INTERRUPT AND NMI CONTROLLER ...
Page 197: ...182 CHAPTER 9 PPG Programmable Pulse Generator ...
Page 337: ...322 CHAPTER 13 UART ...
Page 417: ...402 CHAPTER 16 DMAC DMA Controller ...
Page 445: ...430 CHAPTER 17 FLASH MEMORY ...
Page 451: ...436 CHAPTER 18 SERIAL PROGRAMMING CONNECTION ...
Page 493: ...478 APPENDIX F Precautions on Handling ...
Page 494: ...479 INDEX INDEX The index follows on the next page This is listed in alphabetic order ...
Page 507: ...492 INDEX ...
Page 509: ......