参数资料
型号: DSPB56364AF100
厂商: Freescale Semiconductor
文件页数: 111/148页
文件大小: 0K
描述: IC DSP 24BIT AUD 100MHZ 100-LQFP
标准包装: 90
系列: DSP56K/Symphony
类型: 音频处理器
接口: 主机接口,I²C,SAI,SPI
时钟速率: 100MHz
非易失内存: ROM(24 kB)
芯片上RAM: 11.25kB
电压 - 输入/输出: 3.30V
电压 - 核心: 3.30V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 100-LQFP
供应商设备封装: 100-LQFP(14x14)
包装: 托盘
Enhanced Serial Audio Interface Timing
DSP56364 Technical Data, Rev. 4.1
Freescale Semiconductor
3-49
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 V
CC = 3.16 V ± 0.16 V; TJ = 0°C to +105°C, CL = 50 pF.
2 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)
3 bl = bit length
wl = word length
wr = word length relative
4 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 speed clock
HCKR (HCKR pin) = receive high speed clock
5 For the internal clock, the external clock cycle is defined by Icyc and the ESAI control register.
6 The word-relative frame sync signal waveform relative to the clock operates in the same manner as the bit-length frame sync
signal waveform, but spreads from one serial clock before first bit clock (same as bit length frame sync signal), until the one
before last bit clock of the first word in frame.
7 Periodically sampled and not 100% tested
Table 3-20 Enhanced Serial Audio Interface Timing (continued)
No.
Characteristics1, 2, 3
Symbol
Expression
Min
Max
Condition4 Unit
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