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CHAPTER 12 8-bit Pulse Width Counter
12.1 Overview of 8-bit Pulse Width Counter
The 8-bit pulse width counter measures the pulse width by 400 ns accuracy.
■ Feature of 8-bit Pulse Width Counter
• Pulse width measurement accuracy 400 ns (in fch = @20 MHz)
• Mask input function
■ Block Diagram of 8-bit Pulse Width Counter
Figure 12.1-1 Block Diagram of 8-bit pulse width counter
■ Register List of 8-bit Pulse Width Counter
Figure 12.1-2 Register list of 8-bit pulse width counter
ST MSKE CAPF CAPE
Captuer Register
PWCD
PWCC
QS1
S2
R
R
FFH
8bit Counter
PMSK
PMI
2
3
/fch
Internal Bus
70bit
PWCC
PWCD
PWC Control Register
PWC Data Register
Address: 000094
H
000095
H