參數資料
型號: BU1924F
廠商: Rohm CO.,LTD.
英文描述: RDS / RBDS decoder
中文描述: 鐵路發(fā)展策略/無線廣播數據解碼器
文件頁數: 3/5頁
文件大?。?/td> 81K
代理商: BU1924F
BU1924 / BU1924F
Audio ICs
!
Pin descriptions
Pin No.
Pin name
Symbol
Functions
Input/Output type
1
QUAL
Demodulator quality
Type C
Good data : High, bad data : Low
Refer to output data timing
6
V
S
S1
7
8
2
RDATA
Demodulator data
9
T2
Test input
Type B
Open or connected to ground
10
T1
3
Vref
Reference voltage
4
MUX
Input
Type E
Type D
1/2 V
D
D1
(refer to input/output circuits)
Composite signal input (refer to input/output circuits)
11
V
D
D2
Digital power supply
4.5V to 5.5V
12
V
S
S2
13
XI
Crystal oscillator
Type A
Connects to 4.332MHz oscillator
(refer to input/output circuits)
14
XO
15
(N.C.)
Type C
16
RCLK
Demodulator clock
1187.5Hz clock (refer to the timing diagram)
5
V
D
D1
Analog power supply
4.5V to 5.5V
CMP
Comparator input
Type D
C-junction (refer to input/output circuits )
V
S
S3
GND
!
Input / Output circuits
Type A
Type B
Type D
10M
Type C
Type E
+
+
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