參數資料
型號: DSP1629
英文描述: TVS 400W 64V UNIDIRECT SMA
中文描述: DSP1629數字信號處理器
文件頁數: 98/126頁
文件大?。?/td> 1993K
代理商: DSP1629
Data Sheet
March 2000
DSP1629 Digital Signal Processor
98
Lucent Technologies Inc.
10 Timing Characteristics for 3.0 V Operation
(continued)
10.10 Multiprocessor Communication
*
Negative edge initiates time slot 0.
Figure 35. SIO Multiprocessor Timing Diagram
Note:
All serial I/O timing requirements and characteristics still apply, but the minimum clock period in passive
multiprocessor mode, assuming 50% duty cycle, is calculated as (t77 + t116) x 2.
With capacitance load on ICK, OCK, DO, SYNC, and SADD = 100 pF, add 4 ns to t116—t122.
Table 104. Timing Requirements for SIO Multiprocessor Communication
Abbreviated Reference
t112
t113
t114
t115
Parameter
Min
35
0
12
0
Max
Unit
ns
ns
ns
ns
Sync Setup (high/low to high)
Sync Hold (high to high/low)
Address Setup (valid to high)
Address Hold (high to invalid)
Table 105. Timing Characteristics for SIO Multiprocessor Communication
Abbreviated Reference
t116
t117
t120
t121
t122
Parameter
Min
Max
35
30
25
35
30
Unit
ns
ns
ns
ns
ns
Data Delay (bit 0 only) (low to valid)
Data Disable Delay (high to 3-state)
DOEN Valid Delay (high to valid)
Address Delay (bit 0 only) (low to valid)
Address Disable Delay (high to 3-state)
OCK/ICK
B0
B15
B8
B7
B1
B0
B15
SYNC
V
IH
V
IL
DO/D1
V
OH
V
OL
DOEN
V
OH
V
OL
t112
t113
t112
t113
TIME SLOT 1
TIME SLOT 2
t117
t116
AD0
AS7
AS0
AD7
AD1
AD0
SADD
t122
t121
t114
t115
t120
t120
*
5-4799 (F)
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