參數(shù)資料
型號(hào): T8534
英文描述: T8533/34 Quad Programmable Line Card Signal Processor
中文描述: T8533/34四線卡可編程信號(hào)處理器
文件頁(yè)數(shù): 34/48頁(yè)
文件大小: 890K
代理商: T8534
Preliminary Data Sheet
July 2001
Signal Processor
T8533/34 Quad Programmable Line Card
34
Agere Systems Inc.
Timing Characteristics
Table 15. Timing Characteristics
* PCM clock (BCLK) must be synchronous with both FS and MCLK, if used. If MCLK is used, then the rising edge of MCLK must coincide with
the rising edge of BCLK within 10 ns.
The t
SXBDLY
delay is from either DCLK or CS, whichever transition is later, for the first bit of the byte.
Symbol
f
DCLK
f
BCLK
Parameter
Test Conditions
Min
Typ
256
512
1024
2048
4096
8192
16384
Max
4096
100 ns in
100 ms = 1 ppm
60
60
Unit
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
Serial Bus Clock Frequency
Allowable PCM Bus Clock Fre-
quencies* (512 kHz minimum
if linear encoding is selected.)
Jitter of BCLK
Serial Bus Clock Duty Cycle
PCM Bus Clock Duty Cycle
Chip Select Setup Time, Normal
Mode
Chip Select Hold Time, Normal
Mode
Serial Bus Output Data Delay,
Normal Mode
Serial Bus Input Data Hold
Time, Normal Mode
Serial Bus Input Data Setup
Time, Normal Mode
Frame Strobe Setup Time
40
40
7
50
50
%
%
ns
t
CSSETUP
Serial clock frequency
= 4.096 MHz
Serial clock frequency
= 4.096 MHz
Serial clock frequency
= 4.096 MHz
Serial clock frequency
= 4.096 MHz
Serial clock frequency
= 4.096 MHz
PCM clock frequency
= 16.384 MHz
PCM clock frequency
= 16.384 MHz
FS synchronous with
BCLK
PCM clock frequency
= 16.384 MHz
t
CSHOLD
4
ns
t
SXDLY
9
ns
t
SDHOLD
4
ns
t
SDSETUP
7
ns
t
FSSETUP
7
ns
t
FSHOLD
Frame Strobe Hold Time
4
ns
t
FSWIDTH
Frame Strobe Width
t
BCLK
125
μ
s
t
BCLK
ns
t
XDLY
PCM Bus Output Data Delay
9
ns
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