參數(shù)資料
型號(hào): SAA7356HL
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 微控制器/微處理器
英文描述: 1394 SBP-2 link layer controller
中文描述: 1 CHANNEL(S), SERIAL COMM CONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁(yè)數(shù): 21/36頁(yè)
文件大?。?/td> 157K
代理商: SAA7356HL
2000 Nov 17
21
Philips Semiconductors
Preliminary specification
1394 SBP-2 link layer controller
SAA7356HL
DMA
INTERFACE WRITE
/
READ TIMING FOR MASTER MODE
0; note 1; see Fig.11
t
0
t
1
cycle time
DMA_REQ de-assert from DMA_ACK assert
(single word DMA)
DMA_REQ de-assert from DMA_WRITE assert
(multi-word DMA)
DMA_REQ de-assert from DMA_READ assert
(multi-word DMA)
DMA_REQ assert after DMA_ACK de-assert
write data set-up
write data hold
DMA_WRITE active pulse duration
read data stable after DMA_READ active
read data 3-state after DMA_READ inactive
DMA_WRITE active pulse duration
40
30
ns
ns
t
2
30
ns
t
3
30
ns
t
4
t
5
t
6
t
7
t
8
t
9
t
10
DMA
INTERFACE WRITE
/
READ TIMING FOR MASTER MODE
1; note 1; see Fig.12
0
20
0
20
25
20
15
30
ns
ns
ns
ns
ns
ns
ns
t
0
t
1
cycle time
DMA_REQ de-assert from DMA_ACK assert
(single word DMA)
DMA_REQ de-assert from DMA_WRITE assert
(multi-word DMA)
DMA_REQ assert after DMA_ACK de-assert
read data stable after DMA_ACK assert
read data 3-state after DMA_ACK inactive
write data set-up
write data hold
DMA_WRITE active pulse width
DMA_ACK active pulse width
40
30
ns
ns
t
2
30
ns
t
3
t
4
t
5
t
6
t
7
t
8
t
9
DMA
INTERFACE WRITE
/
READ TIMING FOR MASTER MODE
2; note 1; see Fig.13
0
25
20
0
20
20
15
30
ns
ns
ns
ns
ns
ns
ns
t
0
t
1
cycle time
DMA_REQ de-assert from DMA_ACK assert
(single word DMA)
DMA_REQ assert after DMA_ACK de-assert
write data set-up
write data hold
DMA_ACK active pulse duration during data write
read data stable after DMA_ACK assert
read data 3-state after DMA_ACK de-assert
40
30
ns
ns
t
2
t
3
t
4
t
5
t
6
t
7
0
20
0
20
25
15
30
ns
ns
ns
ns
ns
ns
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
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