MCF548x ColdFire Microprocessor, Rev. 4 Freescale " />
參數資料
型號: MCF5485CZP200
廠商: Freescale Semiconductor
文件頁數: 18/34頁
文件大?。?/td> 0K
描述: IC MPU 32BIT COLDF 388-PBGA
標準包裝: 40
系列: MCF548x
核心處理器: Coldfire V4E
芯體尺寸: 32-位
速度: 200MHz
連通性: CAN,EBI/EMI,以太網,I²C,SPI,UART/USART,USB
外圍設備: DMA,PWM,WDT
輸入/輸出數: 99
程序存儲器類型: ROMless
RAM 容量: 32K x 8
電壓 - 電源 (Vcc/Vdd): 1.43 V ~ 1.58 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 388-BBGA
包裝: 托盤
General Timing Specifications
MCF548x ColdFire Microprocessor, Rev. 4
Freescale Semiconductor
25
12
General Timing Specifications
Table 19 lists timing specifications for the GPIO, PSC, FlexCAN, DREQ, DACK, and external interrupts.
13
I2C Input/Output Timing Specifications
Table 20 lists specifications for the I2C input timing parameters shown in Figure 23.
Table 21 lists specifications for the I2C output timing parameters shown in Figure 23.
Table 19. General AC Timing Specifications
Name
Characteristic
Min
Max
Unit
G1
CLKIN high to signal output valid
2
PSTCLK
G2
CLKIN high to signal invalid (output hold)
0
ns
G3
Signal input pulse width
2
PSTCLK
Table 20. I2C Input Timing Specifications between SCL and SDA
Num
Characteristic
Min
Max
Units
I1
Start condition hold time
2
Bus clocks
I2
Clock low period
8
Bus clocks
I3
SCL/SDA rise time (VIL = 0.5 V to VIH = 2.4 V)
1
mS
I4
Data hold time
0
ns
I5
SCL/SDA fall time (VIH = 2.4 V to VIL = 0.5 V)
1
mS
I6
Clock high time
4
Bus clocks
I7
Data setup time
0
ns
I8
Start condition setup time (for repeated start condition only)
2
Bus clocks
I9
Stop condition setup time
2
Bus clocks
Table 21. I2C Output Timing Specifications between SCL and SDA
Num
Characteristic
Min
Max
Units
I11
Start condition hold time
6
Bus clocks
I2 1
Clock low period
10
Bus clocks
I3 2
SCL/SDA rise time (VIL = 0.5 V to VIH = 2.4 V)
S
I4 1
Data hold time
7
Bus clocks
I5 3
SCL/SDA fall time (VIH = 2.4 V to VIL = 0.5 V)
3
ns
I6 1
Clock high time
10
Bus clocks
I7 1
Data setup time
2
Bus clocks
I8 1
Start condition setup time (for repeated start
condition only)
20
Bus clocks
I9 1
Stop condition setup time
10
Bus clocks
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