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參數(shù)資料
| 型號： | S1M8657 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | TX IF/BBA WITH AGC |
| 中文描述： | 德克薩斯州中頻/工商管理帶AGC |
| 文件頁數(shù)： | 5/34頁 |
| 文件大?。?/td> | 281K |
| 代理商： | S1M8657 |
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TX IF/BBA WITH AGC
S1M8657
5
PIN DESCRIPTION (Continued)
PIN
32
NAME
FMB/DATA
I/O
BI
Description
When SEN = high, this pin is used as the SPI data input pin; when
low, it converts to the FMB, the parallel control input. In the parallel
control mode, if this pin becomes low, the IC enters FM Mode and, if
high, CDMA Mode.
When SEN = high, this pin is used as the SPI STB(Strobe) pin; when
low, it converts to IDLEB, the parallel control input. In the parallel
control mode, if this pin becomes low, the IC enters the IDLE mode,
and if high, TALK mode.
When SEN = high, this pin is used as the SPI CLK input pin; when
low, it converts to the SLSB, the parallel control input and becomes
the input pin for the latter bit of the two GP input select bit.
External TCXO signal input pin, whose input DC potential is 1.5V from
only the input bias when not operating.
Pin determining the charge pump current in the PLL, whose operating
voltage is 0.64V. The resistance between this pin and GND
determines the charge-pump current, which is R/0.64.
Charge pump current output pin, whose peak current is R/0.64 and
11R/0.64 in the Lock mode and Acquisition mode, respectively. When
not operating, it is at high impedance.
FM modulation FM Baseband output signal, which is sent only in the
FM Talk mode but has high impedance at any other time.
Power pin for the analog circuit.
Ground pin for the analog circuit.
33
IDLEB/STB
DI
34
SLSB/CLK
DI
35
TCXO
AI
37
PDISET
AO
38
PDOUT
AO
41
FM_MOD
AO
6, 45, 47
3, 5, 7,
22, 39,
44, 48
21
9, 23, 40
10
VDD
GND
VDDM
VDD_DIG
GND_DIG
Pin for the digital input/output circuit connected to the modem.
Digital logic power pin.
Digital circuit ground pin.
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| S1M8657X01-F0T0 | 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:TX IF/BBA WITH AGC |
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