參數(shù)資料
型號(hào)： DS2172T+T&R
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 18/22頁(yè)
文件大?。?/td> 0K
描述： IC TESTER BIT ERROR RATE 32-TQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 500
功能： 位誤碼率測(cè)試器（BERT）
接口： T1
電路數(shù)： 1
電源電壓： 4.5 V ~ 5.5 V
電流 - 電源： 10mA
工作溫度： 0°C ~ 70°C
安裝類(lèi)型： 表面貼裝
封裝/外殼： 32-TQFP
供應(yīng)商設(shè)備封裝： 32-TQFP（7x7）
包裝： 帶卷 (TR)
包括： 錯(cuò)誤計(jì)數(shù)器，樣式發(fā)生器和檢測(cè)器
DS2172
5 of 22
PIN
SYMBOL
TYPE
DESCRIPTION
24
RL
I
Receive Load. A positive-going edge loads the previous 32 bits of data
received at RDATA into the Pattern Receive Registers. RL is logically
OR’ed with control bit PCR.3. Should be tied to VSS if not used.
25
RDATA
I
Receive Data. Received NRZ serial data, sampled on the rising edge of
RCLK.
26
RDIS
I
Receive Disable. Set high to prevent the data at RDATA from being
sampled. Set low to allow bits at RDATA to be sampled. Should be tied
to VSS if not used. See Figure 6 for timing information. All receive side
operations are disabled when RDIS is high.
27
RCLK
I
Receive Clock. Input clock from transmission link. 0 to 52 MHz. Can be
a gapped clock. Fully independent from TCLK.
28
VDD
-
Positive Supply. 5.0V.
29
VSS
-
Signal Ground. 0.0V. Should be tied to local ground plane.
30
TCLK
I
Transmit Clock. Transmit demand clock. 0 to 52 MHz. Can be a gapped
clock. Fully independent of RCLK.
31
TDIS
I
Transmit Disable. Set high to hold the current bit being transmitted at
TDATA. Set low to allow the next bit to appear at TDATA. Should be
tied to VSS if not used. See Figure 7 for timing information. All transmit
side operations are disabled when TDIS is high.
32
TDATA
O
Transmit Data. Transmit NRZ serial data, updated on the rising edge of
TCLK.
DS2172 REGISTER MAP Table 2
ADDRESS
R/W
REGISTER NAME
ADDRESS
R/W
REGISTER NAME
00
R/W
Pattern Set Register 3.
0C
R
Bit Error Counter Register 3.
01
R/W
Pattern Set Register 2.
0D
R
Bit Error Counter Register 2.
02
R/W
Pattern Set Register 1.
0E
R
Bit Error Counter Register 1.
03
R/W
Pattern Set Register 0.
0F
R
Bit Error Counter Register 0.
04
R/W
Pattern Length Register.
10
R
Pattern Receive Register 3.
05
R/W
Polynomial Tap Register.
11
R
Pattern Receive Register 2.
06
R/W
Pattern Control Register.
12
R
Pattern Receive Register 1.
07
R/W
Error Insert Register.
13
R
Pattern Receive Register 0.
08
R
Bit Counter Register 3.
14
R
Status Register.
09
R
Bit Counter Register 2.
15
R/W
Interrupt Mask Register.
0A
R
Bit Counter Register 1.
1C
R/W
Test Register (see note 1)
0B
R
Bit Counter Register 0.
NOTE:
1. The Test Register must be set to 00 hex to insure proper operation of the DS2172.
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