參數(shù)資料
型號: DSP56367P
廠商: 飛思卡爾半導體(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): 71/100頁
文件大?。?/td> 1039K
代理商: DSP56367P
Enhanced Serial Audio Interface Timing
DSP56367 Technical Data, Rev. 2.1
Freescale Semiconductor
3-47
454
TXC rising edge to data out valid
23 + 0.5
×
T
C
21.0
26.5
21.0
x ck
i ck
ns
455
TXC rising edge to data out high impedance
9
31.0
16.0
x ck
i ck
ns
456
TXC rising edge to transmitter #0 drive enable
deassertion
9
34.0
20.0
x ck
i ck
ns
457
FST input (bl, wr) setup time before TXC falling
edge
8
2.0
21.0
x ck
i ck
ns
458
FST input (wl) to data out enable from high
impedance
27.0
ns
459
FST input (wl) to transmitter #0 drive enable
assertion
31.0
ns
460
FST input (wl) setup time before TXC falling edge
2.0
21.0
x ck
i ck
ns
461
FST input hold time after TXC falling edge
4.0
0.0
x ck
i ck
ns
462
Flag output valid after TXC rising edge
32.0
18.0
x ck
i ck
ns
463
HCKR/HCKT clock cycle
40.0
ns
464
HCKT input rising edge to TXC output
27.5
ns
465
HCKR input rising edge to RXC output
27.5
ns
1
The timing values calculated are based on simulation data at 150MHz. Tester restrictions limit ESAI testing to lower clock
frequencies.
2
ESAI_1 specs match those of ESAI_0.
3
V
CC
= 1.8 V ± 5%; T
J
= –40°C to +95°C, C
L
= 50 pF
4
i ck = internal clock
x ck = external clock
i ck a = internal clock, asynchronous mode (asynchronous implies that TXC and RXC are two different clocks)
i ck s = internal clock, synchronous mode (synchronous implies that TXC and RXC are the same clock)
5
bl = bit length
wl = word length
wr = word length relative
6
TXC(SCKT pin) = transmit clock
RXC(SCKR pin) = receive clock
FST(FST pin) = transmit frame sync
FSR(FSR pin) = receive frame sync
HCKT(HCKT pin) = transmit high frequency clock
HCKR(HCKR pin) = receive high frequency clock
7
For the internal clock, the external clock cycle is defined by Icyc and the ESAI control register.
Table 3-19 Enhanced Serial Audio Interface Timing
1, 2
(continued)
No.
Characteristics
3, 4, 5
Symbol
Expression
Min
Max
Condition
6
Unit
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