參數資料
型號: KIT33689DWBEVB
廠商: Freescale Semiconductor
文件頁數: 4/31頁
文件大?。?/td> 0K
描述: KIT FOR 33689 SBC WITH LIN
標準包裝: 1
主要目的: LIN 接口
已用 IC / 零件: MC33689
相關產品: MC33689DDWBR2CT-ND - IC SYSTEM BASE W/LIN 32-SOIC
MC33689DWBR2-ND - IC SYSTEM BASE W/LIN 32-SOIC
MC33689DWB-ND - IC SYSTEM BASE W/LIN 32-SOIC
MC33689DDWBR2TR-ND - IC SYSTEM BASE W/LIN 32-SOIC
MC33689DDWB-ND - IC SYSTEM BASE W/LIN 32-SOIC
Analog Integrated Circuit Device Data
12
Freescale Semiconductor
33689
ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
DYNAMIC ELECTRICAL CHARACTERISTICS
Table 4. Dynamic Electrical Characteristics
Characteristics noted under conditions 5.5 V
≤ V
SUP ≤ 18 V, - 40°C ≤ T
A ≤ 125°C, GND = 0.0 V unless otherwise noted.
Typical values noted reflect the approximate parameter means at TA = 25°C under nominal conditions unless otherwise noted.
Characteristic
Symbol
Min
Typ
Max
Unit
SPI INTERFACE CHARACTERISTICS
SPI Operation Frequency
fSPI
0.25
4.0
MHz
SCLK Clock Period
tPSCLK
250
N/A
ns
SCLK Clock High Time
tWSCLKH
125
N/A
ns
SCLK Clock Low Time
tWSCLKL
125
N/A
ns
Falling Edge of CS to Rising Edge of SCLK
tLEAD
100
N/A
ns
Falling Edge of SCLK to CS Rising Edge
tLAG
100
N/A
ns
MOSI to Falling Edge of SCLK (Data Setup Time)
tSI(SU)
40
N/A
ns
Falling Edge of SCLK to MOSI (Data Hold Time)
tSI(HOLD)
40
N/A
ns
MISO Rise Time (14)
CL = 220 pF
tRSO
25
50
ns
MISO Fall Time (14)
CL = 220 pF
tFSO
25
50
ns
Time from Falling or Rising Edge of CS to: (14)
MISO Low Impedance (Enable)
MISO High Impedance (Disable)
tSO(EN)
tSO(DIS)
0.0
50
ns
Time from Rising Edge of SCLK to MISO Data Valid (14)
0.2 VDD ≤ MISO ≥ 0.8 VDD, CL = 100 pF
tVALID
0.0
50
ns
RST
OUTPUT PIN IN NORMAL AND STOP MODES
Reset Duration After VDD HIGH
tDURRST
0.65
1.0
1.35
ms
WDC
PIN
Watchdog Period Accuracy Using an External Resistor (Excluding Resistor
Tolerances) (15)
ACCWDC
-15
15
%
Watchdog Time Period (15)
10 k
Ω External Resistor
100 k
Ω External Resistor
No External Resistor, WDC Open, Normal Mode
tWDC
107
10.558
99.748
160
215
ms
Notes
14.
Parameter guaranteed by design; however, it is not production tested.
15.
Watchdog time period calculation formula:
tWDC = 0.991 * R + 0.648 (R in kΩ and tWDC in ms).
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