參數(shù)資料
型號(hào): DS21554LN
廠商: DALLAS SEMICONDUCTOR
元件分類: Digital Transmission Interface
英文描述: DATACOM, PCM TRANSCEIVER, PQFP100
封裝: 14 X 14 MM, LQFP-100
文件頁(yè)數(shù): 24/117頁(yè)
文件大?。?/td> 698K
代理商: DS21554LN
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DS21354 & DS21554
14 of 117
PIN
SYMBOL
TYPE
DESCRIPTION
4
JTCLK
I
IEEE 1149.1 Test Clock Signal
7
JTDI
I
IEEE 1149.1 Test Data Input
10
JTDO
O
IEEE 1149.1 Test Data Output
2
JTMS
I
IEEE 1149.1 Test Mode Select
5
JTRST*
I
IEEE 1149.1 Test Reset
12
LIUC
I
Line Interface Connect
21
MCLK
I
Master Clock Input
55
MUX
I
Bus Operation
8
NC
No Connect (do not connect any signal to this pin)
9
NC
No Connect (do not connect any signal to this pin)
15
NC
No Connect (do not connect any signal to this pin)
23
NC
No Connect (do not connect any signal to this pin)
26
NC
No Connect (do not connect any signal to this pin)
27
NC
No Connect (do not connect any signal to this pin)
28
NC
No Connect (do not connect any signal to this pin)
1
RCHBLK
O
Receive Channel Block
92
RCHCLK
O
Receive Channel Clock
6
RCL
O
Receive Carrier Loss
82
RCLK
O
Receive Clock
88
RCLKI
I
Receive Clock Input
89
RCLKO
O
Receive Clock Output
74
RD*(DS*)
I
Read Input(Data Strobe)
85
RDATA
O
Receive Data
97
RFSYNC
O
Receive Frame Sync
79
RLCLK
O
Receive Link Clock
78
RLINK
O
Receive Link Data
99
RLOS/LOTC
O
Receive Loss Of Sync/ Loss Of Transmit Clock
96
RMSYNC
O
Receive Multiframe Sync
87
RNEGI
I
Receive Negative Data Input
90
RNEGO
O
Receive Negative Data Output
86
RPOSI
I
Receive Positive Data Input
91
RPOSO
O
Receive Positive Data Output
17
RRING
I
Receive Analog Ring Input
95
RSER
O
Receive Serial Data
94
RSIG
O
Receive Signaling Output
93
RSIGF
O
Receive Signaling Freeze Output
98
RSYNC
I/O
Receive Sync
100
RSYSCLK
I
Receive System Clock
16
RTIP
I
Receive Analog Tip Input
18
RVDD
Receive Analog Positive Supply
19
RVSS
Receive Analog Signal Ground
20
RVSS
Receive Analog Signal Ground
24
RVSS
Receive Analog Signal Ground
33
TCHBLK
O
Transmit Channel Block
53
TCHCLK
O
Transmit Channel Clock
46
TCLK
I
Transmit Clock
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