參數(shù)資料
型號： DS21Q42TN
廠商： DALLAS SEMICONDUCTOR
元件分類： Digital Transmission Controller
英文描述： DATACOM, FRAMER, PQFP128
封裝： TQFP-128
文件頁數(shù)： 98/119頁
文件大?。?/td> 1309K
代理商： DS21Q42TN
DS21Q42
8 of 119
2. DS21Q42 PIN DESCRIPTION
Pin Description Sorted by Pin Number Table 2-1
PIN
SYMBOL
TYPE
DESCRIPTION
1
TCHBLK0
O
Transmit Channel Block from Framer 0
2
TPOS0
O
Transmit Bipolar Data from Framer 0
3
TNEG0
O
Transmit Bipolar Data from Framer 0
4
RLINK0
O
Receive Link Data from Framer 0
5
RLCLK0
O
Receive Link Clock from Framer 0
6
RCLK0
I
Receive Clock for Framer 0
7
RNEG0
I
Receive Bipolar Data for Framer 0
8
RPOS0
I
Receive Bipolar Data for Framer 0
9RSIG0
[RCHCLK0]
O
[O]
Receive Signaling Output from Framer 0 [Receive Channel
Clock from Framer 0]
10
RCHBLK0
O
Receive Channel Block from Framer 0
11
RSYSCLK0
I
Receive System Clock for Elastic Store in Framer 0
12
RSYNC0
I/O
Receive Sync for Framer 0
13
RSER0
O
Receive Serial Data from Framer 0
14
VSS
-
Signal Ground
15
VDD
-
Positive Supply Voltage
16
SPARE1
[RMSYNC0]
-
[O]
RESERVED - must be left unconnected for normal operation
[Receive Multiframe Sync from Framer 0]
17
RFSYNC0
O
Receive Frame Sync from Framer 0
18
JTRST*
[RLOS/LOTC0]
I [O]
JTAG Reset [Receive Loss of Sync/Loss of Transmit clock
from Framer 0]
19
TCLK0
I
Transmit Clock for Framer 0
20
TLCLK0
O
Transmit Link Clock from Framer 0
21
TSYNC0
I/O
Transmit Sync for Framer 0
22
TLINK0
I
Transmit Link Data for Framer 0
23
A0
I
Address Bus Bit 0; LSB
24
A1
I
Address Bus Bit 1
25
A2
I
Address Bus Bit 2
26
A3
I
Address Bus Bit 3
27
A4
I
Address Bus Bit 4
28
A5
I
Address Bus Bit 5
29
A6/ALE (AS)
I
Address Bus Bit 6; MSB or Address Latch Enable (Address
Strobe)
30
INT*
O
Receive Alarm Interrupt for all Four Framers
31
TSYSCLK1
I
Transmit System Clock for Elastic Store in Framer 1
32
TSER1
I
Transmit Serial Data for Framer 1
33
TSSYNC1
I
Transmit Sync for Elastic Store in Framer 1
34
TSIG1
[TCHCLK1]
I [O]
Transmit Signaling Input for Framer 1
[Transmit Channel Clock from Framer 1]
35
TCHBLK1
O
Transmit Channel Block from Framer 1
36
TPOS1
O
Transmit Bipolar Data from Framer 1
37
TNEG1
O
Transmit Bipolar Data from Framer 1
38
RLINK1
O
Receive Link Data from Framer 1
相關(guān)PDF資料
PDF描述
DS21Q42T DATACOM, FRAMER, PQFP128
DS21Q43AT DATACOM, FRAMER, PQFP128
DS21Q44T DATACOM, FRAMER, PQFP128
DS21Q44TN DATACOM, FRAMER, PQFP128
DS21Q48N DATACOM, PCM TRANSCEIVER, PBGA144
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS21Q43A 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad E1 Framer
DS21Q43AT 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q43AT+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
DS21Q43ATN 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Quad E1 Framer
DS21Q43-ATN 功能描述:網(wǎng)絡(luò)控制器與處理器 IC Quad E1 Framer RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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