ZEN2044F Zenic, ZEN2044F Datasheet - Page 17

• Manufacturer Part Number: ZEN2044F
• Description: 33MHz Up/down Counter
• Manufacturer: Zenic

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6. Internal timing(for reference only)
6-1. Counting up/down
6-1-1. Two phase-shifted pulse mode(DIR="1")
6-1-2. Single pulse mode(DIR="1")
6-1-3. Up/down pulse mode(DIR="1")
The internal timings of the
Note )
CNT stands for the value of the internal counter.
LDR stands for the value of the preload register.
LTR stands for the value of the latch register.
CMPRA stands for the value of the reference register A.
CLK
A/UP
B/DN
CNT
CNT
CNT
EXTB
CLK
A/UP
B/DN
CNT
CNT
CLK
A/UP
B/DN
CNT
(x4)
(x2)
(x1)
(x2)
(x1)
ZEN2044F
n
n
n
n
n
n
are as follows.
n+1 n+2 n+3 n+4 n+3 n+2 n+1
n+1
- 17 -
n+1 n+2 n+3
(When INTAI is enabled and AI is detected)
n+1
n+1
n+2
n+1
n+1
n+4
n+2
n
n
n
n
(
Z2044G00 ZENIC INC.
ZEN2044F
ZEN2044F
)