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參數(shù)資料
| 型號： | S1T8528X01-Q0R0 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | IC, 10/100 BASE-T PHY TRANSCEIVER |
| 中文描述： | 強化- 1射頻集成電路芯片CT0 |
| 文件頁數(shù)： | 4/35頁 |
| 文件大?。?/td> | 1905K |
| 代理商： | S1T8528X01-Q0R0 |
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S1T8528
ENHANCED-1 CHIP CT0 RF IC
4
PIN DESCRIPTION
Pin No
Symbol
Description
1
PDT
Phase detector output terminal of the transmitter at PLL.
If f
TX
> f
REF
or f
TX
is leading
→
the output is negative pulse
If f
TX
< f
REF
or f
TX
is lagging
→
the output is positive pulse
If f
TX
= f
REF
and the same phase
→
the output is High Impedance
2
CO
Compressor output terminal of compander: connected to the splatter filter amp input
terminal.
3
SFI
Input terminal of Splatter filter amp.
4
SFO
Output terminal of Splatter filter amp.
5
LDT/CDO
LDT: Output terminal of transmitter lock detector in PLL block. Output is low if PLL is in
lock state and is high if PLL is in unlock state.
CDO: As an output terminal of the carrier detector buffer, connected to (RSSI ) terminal
of MICOM. This pin outputs the contents of Meter Driver buffer which is turned
on/off, according to the signal level detected by Meter Driver.
6
f
MCU
Clock output terminal for MCU crystal.
This pin provides the clock source for MCU or other system as an output of
X-tal osc.
÷
2/
÷
3/
÷
4/
÷
5. Which can be controlled by the bit of the control register.
Clock ON/OFF control is possible by MCU
7
8
9
CLK
DATA
EN
These pins are serial interface terminals for programming reference counter, auxiliary
reference counter, TX channel counter, RX channel counter and control block that
controls internal each block with 4 mode selection.
10
LBD
Low Battery Detecting output. ( Selectable 3.45V, 3.3V, 3.0V, 2.2V, 2.0V ).
During the normal operation, output level is low, but it is high at low battery detection.
As this pin is an open collector type, it requires a pull-up resister.
11
AGIC
This pin bypasses AC elements at the feedback loop which come from the SUM amp
block of COMPRESSOR. A capacitor should be connected between this terminal and
GND. ( C = 2.2uF )
12
CRC
Converts waveform from the full wave rectifier to DC element at the rectifier block of
Compressor. ( RC = 33 msec at C = 3.3uF)
13
CPO-
Pre-amp output terminal of Compressor.
Used as an input terminal for voice signals.
14
CPI
Inverting type Pre-amp input terminal of Compressor.
15
GND
(COMP
)
Ground.
Ground of Compander.
16
Vcc
(COMP)
Supply voltage.
Power supply terminal of Compander.
17
SAO 2
Output terminal of speaker amp 2.
This signal is the same as SAO1 output, but phase difference is 180
°
for SAO1 DC
voltage level is Vcc / 2.
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