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: 66/86页
文件大小: 821K
代理商: FX980L6
TETRA Baseband Processor
FX980
1997 Consumer Microcircuits Limited
69
D/980/3
BISTPRSG
Title:
Built In Self Test Pseudo Random Sequence Generator
Address:
$0x60 to $0x61 (2 locations)
Function:
RW
Description:
This register block allows control of BIST operations. This 16-bit number controls the length of
the BIST data sequence. It is the initial value (or seed) written to the pseudo-random sequence
generation logic. The length of the BIST data sequence is a function of the feedback logic
equation and this initial value.
The feedback function is fixed so run lengths are therefore
controlled by this value.
Which values to apply to give specific run lengths can be determined from a look-up table. This
table may be provided on request.
Bit
Name
Active State
Function
Address $0x60
7:0
BISTPRSGLSB
Data RW
Least significant 8 bits of the BISTPRSG register. This
register must be read before its associated MSB register.
Address $0x61
7:0
BISTPRSGMSB
Data RW
Most significant 8 bits of the BISTPRSG register. This
register must be read after its associated LSB register.
Address and Data format for BISTPRSG access
D1 D0
D7 D6 D5 D4 D3 D2
D15 D14 D13 D12 D11 D10 D9 D8
0
Data field [15:0]
1
Address field
[6:0]
1
0
1
0
1
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