參數(shù)資料
型號: DSP56367P
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
元件分類: 數(shù)字信號處理
英文描述: 24-Bit Audio Digital Signal Processor
中文描述: 24位音頻數(shù)字信號處理器
文件頁數(shù): 36/100頁
文件大小: 1039K
代理商: DSP56367P
External Memory Expansion Port (Port A)
DSP56367 Technical Data, Rev. 2.1
3-12
Freescale Semiconductor
Figure 3-7 Recovery from Stop State Using IRQA Interrupt Service
Figure 3-8 External Memory Access (DMA Source) Timing
3.10
External Memory Expansion Port (Port A)
3.10.1
SRAM Timing
Table 3-8 SRAM Read and Write Accesses
No.
Characteristics
Symbol
Expression
1
150 MHz
Unit
Min
Max
100
Address valid and AA assertion pulse width
t
RC
, t
WC
(WS + 2)
×
T
C
4.0 [2
WS
7]
(WS + 3)
×
T
C
4.0 [WS
8]
22.7
69.3
ns
ns
101
Address and AA valid to WR assertion
t
AS
0.75
×
T
C
2.0[2
WS
≤ 3
]
1.25
×
T
C
2.0[WS
≥ 4
]
3.0
6.3
ns
ns
102
WR assertion pulse width
t
WP
WS
×
T
C
4.0 [2
WS
3]
(WS
0.5)
×
T
C
4.0[WS
4]
9.3
19.3
ns
ns
103
WR deassertion to address not valid
t
WR
1.25
×
T
C
4
.0[2
WS
7]
2.25
×
T
C
4
.0[WS
8]
4.3
11.0
ns
ns
IRQA
A0–A17
First IRQA Interrupt Instruction Fetch
26
25
AA0467
29
DMA Source Address
First Interrupt Instruction Execution
A0–A17
RD
WR
IRQA, IRQB,
IRQC, IRQD,
NMI
AA1104
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