IN7200 查看數據表（PDF） - Integral Corp.
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IN7200 Datasheet PDF : 7 Pages
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IN7200
PIN DESCRIPTION
PIN NAME I/O
#
Н
DESCRIPTION
1
BLK
2
DS1
3
DS2
4
bc4
5
g3
6
e3
7
d3
8
c3
9
g2
10
e2
11
c2
12
g1
13
e1
14
d1
15
c1
16
--
17
CLK
18
CLOUT
19
AC
20
VSS
21
OO
22
OI
23
RES
24
HS
25
MS
26
T1
27
b1
28
a1
29
f1
30
b2
31
ad2
32
f2
33
1HZ
34
--
35
b3
36
a3
37
f3
38
T2
39
T3
40
VDD
I
BLANCKING INPUT; When this pin is low state, FIP is off and the operation of HS, MS, RES, switch is
blocking, or vice versa
DIMMER INPUT1, DIMMER INPUT2; This PIN control the brightness of FIP. Duty of segment output is
I
determined depend on the level of DS1, DS2
| DS1 | VDD | VSS | VDD | VSS |
I
| DS2 | VDD | VDD | VSS | VSS |
| DUTY | 1/8 | 1/4 | 1/2 | 1 |
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
-- NO CONNECTION
I
EXTERNAL CLOCK INPUT; External clock of 1024 Hz frequency can drive the IC operation
O CLOCK OUTPUT; Clock of 1024 Hz frequency is generated when using 4.194304 MHz crystal
I
CLEAR INPUT (power on reset input pin)
I
GROUND
O OSCILLATOR OUTPUT (4.194304 MHz crystal output)
I
OSCILLATOR INPUT (4.194304 MHz crystal input)
I
RES INPUT (±30 minutes auto correction Input)
I
HOUR ADJUST INPUT
I
MINUTE ADJUST INPUT
I
TEST PIN1
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT (colon)
-- NO CONNECTION
O SEGMENT OUTPUT
O SEGMENT OUTPUT
O SEGMENT OUTPUT
I
TEST PIN2
I
TEST PIN3
I
POWER SUPPLY
INTERNAL STATE
pull down: BLK, DS1, DS2, AC, RES, HS, MS, TE1, TE2, TE3
P-ch OPEN DRAIN: bc4, g3, e3, d3, c3, g2, e2, c2, g1, e1, d1, c1, b1, a1, f1, b2, ad2, f2, 1Hz, b3, a3, f3
6
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