Datasheet

TC520A
DS21431C-page 2  2001-2012 Microchip Technology Inc.
Functional Block Diagram
Logic Control
Gate
8-Bit Counter
÷ 256
8-Bit Shift Reg.
÷4
Gate
Pinout of 14-Pin
Package
7
SYSCLK
8
6
A
B
CMPTR
CE
DV
5
4
3
14
13
Gate
Timeout
Force Auto Zero
Polarity Bit
Clear Count
1
2
V
DD
GND
16-Bit Counter
18-Bit Shift Register
Gate
Overrange
Bit
11
12
9
10
8
D
CLK
D
OUT
D
IN
LOAD
READ
16
OSC
IN
OSC
OUT