參數(shù)資料
型號: DSP56F827FG80E
廠商: Freescale Semiconductor
文件頁數(shù): 33/60頁
文件大?。?/td> 0K
描述: IC HYBRID CTRLR 16BIT 128-LQFP
標準包裝: 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
Serial Peripheral Interface (SPI) Timing
56F827 Technical Data, Rev. 12
Freescale Semiconductor
39
3.9 Serial Peripheral Interface (SPI) Timing
1. Parameters listed are guaranteed by design.
Table 3-12 SPI Timing1
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
Characteristic
Symbol
Min
Max
Unit
See Figure
Cycle time
Master
Slave
tC
50
25
ns
Figures
Enable lead time
Master
Slave
tELD
25
ns
Figure 3-23
Enable lag time
Master
Slave
tELG
100
ns
Figure 3-23
Clock (SCLK) high time
Master
Slave
tCH
24
12
ns
Figures
Clock (SCLK) low time
Master
Slave
tCL
24.1
12
ns
Figures
Data set-up time required for inputs
Master
Slave
tDS
20
0
ns
Figures
Data hold time required for inputs
Master
Slave
tDH
0
2
ns
Figures
Access time (time to data active from high-impedance state)
Slave
tA
4.8
15
ns
Figure 3-23
Disable time (hold time to high-impedance state)
Slave
tD
3.7
15.2
ns
Figure 3-23
Data Valid for outputs
Master
Slave (after enable edge)
tDV
4.5
20.4
ns
Figures
Data invalid
Master
Slave
tDI
0
ns
Figures
Rise time
Master
Slave
tR
11.5
10.0
ns
Figures
Fall time
Master
Slave
tF
9.7
9.0
ns
Figures
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