参数资料
型号: IDT82V2041EPP8
厂商: IDT, Integrated Device Technology Inc
文件页数: 30/75页
文件大小: 0K
描述: IC LIU T1/J1/E1 1CH 44-TQFP
标准包装: 1,250
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.13 V ~ 3.47 V
安装类型: 表面贴装
封装/外壳: 44-LQFP
供应商设备封装: 44-TQFP(10x10)
包装: 带卷 (TR)
其它名称: 82V2041EPP8
IDT82V2041E
SINGLE CHANNEL T1/E1/J1 SHORT HAUL LINE INTERFACE UNIT
Functional Description
36
December 9, 2005
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.
During Hardware Reset, the device requires an active clock on
MCLK. For T1/J1 operation, bit T1E1(GCF0) is set after reset.
Before accessing any other registers a delay of 50 us is required to
allow the internal clocking to be settled.
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.
When performing a software reset, the T1E1 bit (GCF0) will not be reset
and stay with the set value.
3.16 POWER SUPPLY
This chip uses a single 3.3 V power supply.
Table-18 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
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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