Table 3-14 SSI Slave Mode1 Sw" />
參數(shù)資料
型號: DSP56F826BU80E
廠商: Freescale Semiconductor
文件頁數(shù): 37/56頁
文件大?。?/td> 0K
描述: IC DSP 80MHZ 64KB FLASH 100LQFP
標準包裝: 90
系列: 56F8xx
核心處理器: 56800
芯體尺寸: 16-位
速度: 80MHz
連通性: EBI/EMI,SCI,SPI,SSI
外圍設備: POR,WDT
輸入/輸出數(shù): 46
程序存儲器容量: 67KB(33.5K x 16)
程序存儲器類型: 閃存
RAM 容量: 4.5K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 2.75 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-LQFP
包裝: 托盤
56F826 Technical Data, Rev. 14
42
Freescale Semiconductor
Table 3-14 SSI Slave Mode1 Switching Characteristics
Operating Conditions: VSSIO = VSS = VSSA = 0V, VDDA = VDDIO = 3.0–3.6V, VDD = 2.25–2.75V, TA = –40° to +85°C, CL ≤ 50pF, fop = 80MHz
Parameter
Symbol
Min
Typ
Max
Units
STCK frequency
fs
102
MHz
STCK period3
tSCKW
100
ns
STCK high time
tSCKH
504
——
ns
STCK low time
tSCKL
504
——
ns
Output clock rise/fall time
TBD
—ns
Delay from STCK high to STFS (bl) high - Slave5
tTFSBHS
0.1
46
ns
Delay from STCK high to STFS (wl) high - Slave5
tTFSWHS
0.1
46
ns
Delay from SRCK high to SRFS (bl) high - Slave5
tRFSBHS
0.1
46
ns
Delay from SRCK high to SRFS (wl) high - Slave5
tRFSWHS
0.1
46
ns
Delay from STCK high to STFS (bl) low - Slave5
tTFSBLS
-1
ns
Delay from STCK high to STFS (wl) low - Slave5
tTFSWLS
-1
ns
Delay from SRCK high to SRFS (bl) low - Slave5
tRFSBLS
-46
ns
Delay from SRCK high to SRFS (wl) low - Slave5
tRFSWLS
-46
ns
STCK high to STXD enable from high impedance - Slave
tTXES
——
ns
STCK high to STXD valid - Slave
tTXVS
1—
25
ns
STFS high to STXD enable from high impedance (first bit) -
Slave
tFTXES
5.5
25
ns
STFS high to STXD valid (first bit) - Slave
tFTXVS
6—
27
ns
STCK high to STXD not valid - Slave
tTXNVS
11
13
ns
STCK high to STXD high impedance - Slave
tTXHIS
11
28.5
ns
SRXD Setup time before SRCK low - Slave
tSS
4—
ns
SRXD Hold time after SRCK low - Slave
tHS
4—
ns
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