參數(shù)資料
型號: TDA7421N
廠商: STMICROELECTRONICS
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: TQFP-64
文件頁數(shù): 24/47頁
文件大?。?/td> 374K
代理商: TDA7421N
I2C bus interface
TDA7421N
Table 14.
PLL subaddress
MSB
LSB
Function
T3(1)
T2
T1
I
A3
A2A1A0
0
Charge pump control
0
1
PLL counter 1 (LSB)
0
1
0
PLL counter 2 (MSB)
0
1
PLL reference counter 1 (LSB)
0
1
0
PLL reference counter 2 (MSB)
0
1
0
1
PLL lock detector control and PLL mode select
0
1
0
IFC reference counter 1 (LSB)
0
1
IFC reference counter 2 (MSB) and IFC mode select
1
0
IF counter control 1
1
0
1
IF counter control 2
0
Page mode disabled
1
Page mode enabled
1.
T1, T2, T3 are used for testing the PLL, in application mode they have to be "0".
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