參數(shù)資料
型號: S5T8701
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: FLEX ROAMING DECODER II
中文描述: FleX創(chuàng)建漫游解碼器二
文件頁數(shù): 6/70頁
文件大小: 506K
代理商: S5T8701
S5T8701
FLEX
TM
ROAMING DECODER II
6
PIN DESCRIPTION
PIN NAME
PIN
TYPE
DESCRIPTION
Power
V
DD
V
SS
3,13
7,29
10
Power
Ground
Low battery detect input
Reset
Active low reset to the S5T8701.
LOBAT
I
RESET
24
I
External Symbol Input Signals
MSb of the symbol currently being decoded
LSb of the symbol currently being decoded
SPI Signals
Slave Select for SPI communications
EXTS1
EXTS0
11
12
I
I
SS
SCK
MOSI
MISO
27
I
28
30
31
26
I
I
Serial Clock for SPI communications
Data input for SPI communications
Three-state data output for SPI communications
Driven low when the IC is ready for an SPI packet
O
O
READY
Clock Signals
38.4kHz or 40kHz clock output(derived from oscillator)
Recovered symbol clock
76.8kHz or 160kHz crystal input or external input
76.8kHz or 160kHz clock output
Internal oscillator power down.
Connected to
VSS
when using internal oscillator.
Connected to
VDD
when using an external source.
Receiver Control Lines
Seven three-state receiver control output
CLKOUT
SYMCLK
EXTAL
XTAL
OSCPD
32
14
6
5
2
O
O
I
O
I
S1 - S7
22,21,20,1
9,18,16,15
23
O
S0 / IFIN
O / I
S0 : Receiver control output when using external demodulator
IFIN : Limited IF input when using internal demodulator
Test pins
IC manufacturing test mode pin.
Normally connected to
VSS
.
IC manufacturing test mode pin.
Normally connected to
VSS
. (Can be left unconnected.)
TEST2, TEST3
4,8
I
NC
1,9,17,25
O
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