參數(shù)資料
型號: T4223B-MC
廠商: ATMEL CORP
元件分類: 消費家電
英文描述: Time-Code Receiver with A/D Converter
中文描述: SPECIALTY CONSUMER CIRCUIT, UUC22
封裝: DIE-22
文件頁數(shù): 11/18頁
文件大?。?/td> 138K
代理商: T4223B-MC
U4223B
Rev. A7, 06-Mar-01
11 (18)
Application Circuit for JG2AS 40 kHz
8
7
+V
CC
Control lines
Display
Keyboard
Microcomputer
PON
3)
Ferrite
Antenna
C
1
680 pF
C
3
10 nF
U4223B
D0
D1
D2
D3
SL
1)
CLK
4)
9
1
2
3
4
5
6
16
15
13
12
11
14
10
19
18
17
20
40 kHz
40 kHz
2)
C
2
220 nF
1 M
R
1)
If SL is not used, SL is connected to VCC
2)
40-kHz crystal can be replaced by 22 pF
3)
If IC is activated, PON is connected to GND
4)
Voltage swing 100 mV
pp
at Pin 12
10 nF
10 nF
10 nF
10 nF
f
res
= 40 kHz
Figure 22.
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