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參數(shù)資料
| 型號(hào)： | IDT82V2081PPG |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁數(shù)： | 27/68頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU T1/J1/E1 1CH 44-TQFP |
| 標(biāo)準(zhǔn)包裝： | 80 |
| 類型： | 線路接口裝置（LIU） |
| 規(guī)程： | T1/E1/J1 |
| 電源電壓： | 3.13 V ~ 3.47 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-LQFP |
| 供應(yīng)商設(shè)備封裝： | 44-TQFP（10x10） |
| 包裝： | 托盤 |
| 其它名稱： | 800-2347 82V2081PPG IDT82V2081PPG-ND |
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33
INDUSTRIAL
TEMPERATURE RANGES
SINGLE CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
3.13 INTERRUPT HANDLING
All kinds of interrupt of the IDT82V2081 are indicated by the INT pin.
When the INT_PIN[0] bit (GCF, 02H) is ‘0’, the INT pin is open drain active
low, with a 10 K
external pull-up resistor. When the INT_PIN[1:0] bits
(GCF, 02H) are ‘01’, the INT pin is push-pull active low; when the
INT_PIN[1:0] bits are ‘10’, the INT pin is push-pull active high.
AnactivelevelontheINTpinrepresentsaninterruptoftheIDT82V2081.
The interrupt event is captured by the corresponding bit in the Interrupt
Status Register (INTS0, 19H) or (INTS1, 1AH). Every kind of interrupt can
be enabled/disabled individually by the corresponding bit in the register
(INTM0, 14H) or (INTM1, 15H). Some event is reflected by the correspond-
ing bit in the Status Register (STAT0, 17H) or (STAT1, 18H), and the Inter-
rupt Trigger Edge Selection Register can be used to determine how the
Status Register sets the Interrupt Status Register.
AftertheInterruptStatusRegister(INTS0,19H)or(INTS1,1AH)isread,
the INT pin become inactive.
There are totally fourteen kinds of events that could be the interrupt
source:
(1).LOS Detected
(2).AIS Detected
(3).Driver Failure Detected
(4).TCLK Loss
(5).Synchronization Status of PRBS
(6).PRBS Error Detected
(7).Code Violation Received
(8).Excessive Zeros Received
(9).JA FIFO Overflow/Underflow
(10).Inband Loopback Code Status
(11).Equalizer Out of Range
(12).One-Second Timer Expired
(13).Error Counter Overflow
(14).Arbitrary Waveform Generator Overflow
Table-22 is a summary of all kinds of interrupt and the associated Status
bit, Interrupt Status bit, Interrupt Trigger Edge Selection bit and Interrupt
Mask bit.
3.14 5V TOLERANT I/O PINS
All digital input pins will tolerate 5.0 ± 10% volts and are compatible with
TTL logic.
3.15 RESET OPERATION
The chip can be reset in two ways:
Software Reset: Writing to the RST register (01H) will reset the chip
in 1 us.
Hardware Reset: Asserting the RST pin low for a minimum of 100
ns will reset the chip.
After reset, all drivers output are in high impedance state, all the internal
flip-flops are reset, and all the registers are initialized to default values.
3.16 POWER SUPPLY
This chip uses a single 3.3 V power supply.
Table-22 Interrupt Event
Interrupt Event
Status bit
(STAT0, STAT1)
Interrupt Status bit
(INTS0, INTS1)
Interrupt Edge Selection bit
(INTES)
Interrupt Mask bit
(INTM0, INTM1)
LOS Detected
LOS_S
LOS_IS
LOS_IES
LOS_IM
AIS Detected
AIS_S
AIS_IS
AIS_IES
AIS_IM
Driver Failure Detected
DF_S
DF_IS
DF_IES
DF_IM
TCLK Loss
TCLK_LOS
TCLK_LOS_IS
TCLK_IES
TCLK_IM
Synchronization Status of PRBS/QRSS
PRBS_S
PRBS_IS
PRBS_IES
PRBS_IM
PRBS/QRSS Error
ERR_IS
ERR_IM
Code Violation Received
CV_IS
CV_IM
Excessive Zeros Received
EXZ_IS
EXZ_IM
JA FIFO Overflow
JAOV_IS
JAOV_IM
JA FIFO Underflow
JAUD_IS
JAUD_IM
Equalizer Out of Range
EQ_S
EQ_IS
EQ_IES
EQ_IM
Inband Loopback Activate Code Status
IBLBA_S
IBLBA_IS
IBLBA_IES
IBLBA_IM
Inband Loopback Deactivate Code Status
IBLBD_S
IBLBD_IS
IBLBD_IES
IBLBD_IM
One-Second Timer Expired
TMOV_IS
TIMER_IM
Error Counter Overflow
CNT_OV_IS
CNT_IM
Arbitrary Waveform Generator Overflow
DAC_OV_IS
DAC_OV_IM
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| IDT82V2081PPG8 | 功能描述:IC LIU T1/J1/E1 1CH 44-TQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| IDT82V2082 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:DUAL CHANNEL T1/E1/J1 LONG HAUL/ SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2082_09 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:DUAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2082BFBLANK | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:DUAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT |
| IDT82V2082BFG | 功能描述:IC LIU T1/E1/J1 2CH 81BGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
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