參數(shù)資料
型號: DSP56F827FG80E
廠商: Freescale Semiconductor
文件頁數(shù): 38/60頁
文件大?。?/td> 0K
描述: IC HYBRID CTRLR 16BIT 128-LQFP
標(biāo)準(zhǔn)包裝: 72
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(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 64
程序存儲器容量: 136KB(68K x 16)
程序存儲器類型: 閃存
RAM 容量: 5K x 16
電壓 - 電源 (Vcc/Vdd): 2.25 V ~ 2.75 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 10x12b
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 128-LQFP
包裝: 托盤
Synchronous Serial Interface (SSI) Timing
56F827 Technical Data, Rev. 12
Freescale Semiconductor
43
1.
Parasitic capacitance due to package, pin to pin, and pin to package base coupling. (1.8pf)
2.
Parasitic capacitance due to the chip bond pad, ESD protection devices and signal routing. (2.04pf)
3.
Equivalent resistance for the ESD isolation resistor and the channel select mux. (500 ohms)
4.
Sampling capacitor at the sample and hold circuit. Capacitor 4 is normally disconnected from the input and is only
connected to it at sampling time. (1pf)
Figure 3-24 Equivalent Analog Input Circuit
3.11 Synchronous Serial Interface (SSI) Timing
2. Measured in 10-90% range.
3. LSB = Least Significant Bit.
4. Guaranteed by characterization.
5. tAIC = 1/fADIC
Table 3-14 SSI Master 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
4
ns
Delay from STCK high to STFS (bl) high - Master5
tTFSBHM
0.1
0.5
ns
Delay from STCK high to STFS (wl) high - Master5
tTFSWHM
0.1
0.5
ns
Delay from SRCK high to SRFS (bl) high - Master5
tRFSBHM
0.6
1.3
ns
Delay from SRCK high to SRFS (wl) high - Master5
tRFSWHM
0.6
1.3
ns
Delay from STCK high to STFS (bl) low - Master5
tTFSBLM
-1.0
-0.1
ns
1
2
3
4
ADC analog input
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