參數(shù)資料
型號(hào): AN3664NFB
廠商: PANASONIC CORP
元件分類: 消費(fèi)家電
英文描述: 32BIT MCU,SIM,TPU,1KRAM
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝: 7 X 7 MM, PLASTIC, QFH-32
文件頁(yè)數(shù): 14/22頁(yè)
文件大?。?/td> 192K
代理商: AN3664NFB
AN3664NFB
ICs for VCR
14
I
Terminal Equivalent Circuits (continued)
Pin No.
Equivalent circuit
Description
Voltage
15
REC FM out
PB BPF monitor:
The FM output in recording is an
R
+
L mix output. The mixing ratio
can be switched to 4 stages in serial.
Pin 19 can output 5 V for L-channel
and 0 V for R-channel (before mixi-
ng) independently.
In playback, the BPF monitor output is
linked with output channel switching.
The output impedance is about 80
.
2.5 Vat recording
2.5 V
at BPF monitor
0 V
at PB stereo
16
Clock in:
High: 3.5 V to 5.0 V
Low: 0 V to 1.5 V
Serial clock
17
Data in:
High: 3.5 V to 5.0 V
Low: 0 V to 1.5 V
Serial data
18
Audio FF:
(head switching pulse input)
High: 3.5 V to 5.0 V
Low: 0 V to 1.5 V
19
PB FM in:
Input impedance: approx. 20 k
Typical input carrier level: 140 mV[p-p]
(280 mV[p-p] at mixing)
2.5 V
200
500
V
CC1
15
5 V
0 V
500
50 k
1 k
V
CC1
16
4 k
17
Same as
a framed zone
in pin 16 circuit
5 V
0 V
2 k
25 k
50 k
1 k
50 k
100
μ
A
V
CC1
18
5 V
20 k
1 k
2.5 V
200
V
CC1
19
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