参数资料
型号: FX980L6
厂商: CML MICROSYSTEMS PLC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC44
封装: PLASTIC, LCC-44
文件页数: 65/86页
文件大小: 821K
代理商: FX980L6
TETRA Baseband Processor
FX980
1997 Consumer Microcircuits Limited
68
D/980/3
BISTControl
Title:
Built In Self Test Control register
Address:
$0x62
Function:
RW
Description:
This register block allows control of BIST operations.
Bit
Name
Active State
Function
7
TestCompleteAck
High/
Low
RW
This bit is set by the user and cleared by the BIST
controller when a BIST cycle has been completed.
6
n_RampDelayEn
Low RW
Allow Ramp control signal delay. This delay is required
for normal operations, by matching the FIR filter delays.
For BIST operations it can be disabled thus reducing BIST
test time.
5
BISTDataRateHi
High RW
Selects BIST data rate = 2.34 MHz
Default rate (Low)
= 1.44 kHz
4
BISTEn
High RW
Enables BIST operations.
3
ContinuousBIST
High RW
Selects continuous BIST mode.
Default (Low) selects single cycle mode.
2
EnRxDigitalFeedBack
High RW
Selects Rx digital loop feedback for 49-tap Tx FIR input
data. Default (Low) selects normal Tx data.
1
En49tlQData
High RW
Selects BIST data for 49-tap Tx FIR filter input.
Default (Low) selects normal data.
0
EnSymTestData
High RW
Selects BIST data for 79-tap FIR filter input.
Default (Low) selects normal data.
Address and Data format for BistControl access
D1 D0
D7 D6 D5 D4 D3 D2
Data field [7:0]
Address field [6:0]
1
0
1
0
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