E-CMOS
EC3597 1.1
VERSION 1.1
PAGE 2/11
2. PIN DESCRIPTION
PIN NO.
PIN NAME
I/O
FUNCTION
1
X1
I
Input from X-axis photo-encoder.
2
X2
I
Input from X-axis photo-encoder.
3
Y1
I
Input from Y-axis photo-encoder.
4
Y2
I
Input from Y-axis photo-encoder.
5
VDD
P
+5V power supply.
6
NC
I
No Connection
7
RIN
I
RC/crystal oscillator input.
8
RCOUT
O
RC/crystal oscillator output.
9
BR
I
Right button input.
10
BM
I
Middle button input.
11
BL
I
Left button input.
12
GND
P
Power ground.
13
DATA
I/O
Bidirectional DATA I/O pin .
14
CLK
I/O
Bidirectional CLK I/O pin.
15
Z1
I
Input from Z-axis encoder.
16
Z2
I
Input from Z-axis encoder.
3. DC ELECTRICAL CHARACTERISTICS
PARAMETER
MIN.
TYP.
MAX.
UNIT
Operating Voltage
4.5
5
5.5
V
Operating Current (no load)
2
mA
BL, BM, BR
internal pull-up resistance
50
Kohm
X1, X2, Y1, Y2
internal pull-down resistance
12
Kohm
Z1, Z2 (A/C type)
Internal pull-down resistance
12
Kohm
Z1, Z2 (B type)
internal pull-up resistance
100
Kohm
Z1, Z2 (D type)
internal pull-down resistance
100
Kohm
CLK, DATA
internal pull-up resistance
5
Kohm
X1, X2, Y1,Y2, Z1, Z2 input range
0.1
3.2
V
X1, X2, Y1,Y2, Z1, Z2 input amplitude
0.6
V
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