参数资料
型号: TDA7421N
厂商: STMICROELECTRONICS
元件分类: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封装: TQFP-64
文件页数: 28/47页
文件大小: 374K
代理商: TDA7421N
Data byte specification
TDA7421N
fosc/ftim = LSB + MSB + 1
Table 21.
IF counter reference control 1 (LSB)
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
0
000
00
LSB = 0
0
000
00
01
LSB = 1
0
000
00
10
LSB = 2
all combinations allowed
1
111
11
00
LSB = 252
1
111
11
01
LSB = 253
1
111
11
10
LSB = 254
1
111
11
LSB = 255
IRC7
IRC6
IRC5
IRC4
IRC3
IRC2
IRC1
IRC0
Bit name
Subaddress = 06H
Table 22.
IF counter reference control 2 (MSB) and IF counter mode select
MSB
LSB
Function
D7
D6
D5
D4
D3
D2
D1
D0
0
000
00
MSB = 0
0
000
00
01
MSB = 256
0
000
00
10
MSB = 512
all combinations allowed
11
01
MSB = 15616
11
10
MSB = 15872
11
MSB = 16128
0
NOT USED IN APPLICATION MODE
0
1
IF counter FM mode
1
0
IF counter AM mode
1
not used
IFCM1
IFCM0
IRC13
IRC12
IRC11
IRC10
IRC9
IRC8
Bit name
Subaddress = 07H
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