參數(shù)資料
型號(hào): DSPB56362AG120
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 124/152頁(yè)
文件大?。?/td> 0K
描述: IC DSP 24BIT AUD 120MHZ 144-LQFP
標(biāo)準(zhǔn)包裝: 60
系列: DSP56K/Symphony
類型: 音頻處理器
接口: 主機(jī)接口,I²C,SAI,SPI
時(shí)鐘速率: 120MHz
非易失內(nèi)存: ROM(126 kB)
芯片上RAM: 42kB
電壓 - 輸入/輸出: 3.30V
電壓 - 核心: 3.30V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 144-LQFP
供應(yīng)商設(shè)備封裝: 144-LQFP(20x20)
包裝: 托盤
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Parallel Host Interface (HDI08) Timing
DSP56362 Technical Data, Rev. 4
Freescale Semiconductor
3-47
333
HCS hold time after data strobe deassertion9
—0.0
ns
334
Address (AD7–AD0) setup time before HAS deassertion
(HMUX=1)
—4.7
ns
335
Address (AD7–AD0) hold time after HAS deassertion (HMUX=1)
3.3
ns
336
A10–A8 (HMUX=1), A2–A0 (HMUX=0), HR/W setup time before
data strobe assertion9
Read
Write
0
4.7
ns
337
A10–A8 (HMUX=1), A2–A0 (HMUX=0), HR/W hold time after
data strobe deassertion9
—3.3
ns
338
Delay from read data strobe deassertion to host request
assertion for “Last Data Register” read4, 5, 10
TC
10
ns
339
Delay from write data strobe deassertion to host request
assertion for “Last Data Register” write5, 8, 10
2
× T
C
20
ns
340
Delay from data strobe assertion to host request deassertion for
“Last Data Register” read or write (HROD = 0)5, 9, 10
——
19.1
ns
341
Delay from data strobe assertion to host request deassertion for
“Last Data Register” read or write (HROD = 1, open drain Host
300.0
ns
342
Delay from DMA HACK deassertion to HOREQ assertion
For “Last Data Register” read5
For “Last Data Register” write5
For other cases
2
× T
C + 19.1
1.5
× T
C + 19.1
39.1
34.1
0.0
ns
343
Delay from DMA HACK assertion to HOREQ deassertion
HROD = 05
—20.2
ns
344
Delay from DMA HACK assertion to HOREQ deassertion for
“Last Data Register” read or write
HROD = 1, open drain Host Request5, 11
300.0
ns
1 See Host Port Usage Considerations in the DSP56362 User Design Manual.
2 In the timing diagrams below, the controls pins are drawn as active low. The pin polarity is programmable.
3 V
CC = 3.3 V ± 0.16 V; TJ = 0°C to +100°C, CL = 50 pF
4 The read data strobe is HRD in the dual data strobe mode and HDS in the single data strobe mode.
5 The “l(fā)ast data register” is the register at address $7, which is the last location to be read or written in data transfers. This is
RXL/TXL in the little endian mode (HBE = 0), or RXH/TXH in the big endian mode (HBE = 1).
6 This timing is applicable only if a read from the “l(fā)ast data register” is followed by a read from the RXL, RXM, or RXH registers
without first polling RXDF or HREQ bits, or waiting for the assertion of the HOREQ signal.
7 This timing is applicable only if two consecutive reads from one of these registers are executed.
Table 3-20 Host Interface (HDI08) Timing1, 2 (continued)
No.
Characteristics3
Expression
100 MHz
Unit
Min
Max
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