参数资料
型号: MCF5474ZP266
厂商: Freescale Semiconductor
文件页数: 18/34页
文件大小: 0K
描述: IC MPU 32BIT COLDF 388-PBGA
标准包装: 40
系列: MCF547x
核心处理器: Coldfire V4E
芯体尺寸: 32-位
速度: 266MHz
连通性: EBI/EMI,以太网,I²C,SPI,UART/USART,USB
外围设备: DMA,PWM,WDT
输入/输出数: 99
程序存储器类型: ROMless
RAM 容量: 32K x 8
电压 - 电源 (Vcc/Vdd): 1.43 V ~ 1.58 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 388-BBGA
包装: 托盘
General Timing Specifications
MCF547x ColdFire Microprocessor, Rev. 4
Freescale Semiconductor
25
12
General Timing Specifications
Table 19 lists timing specifications for the GPIO, PSC, 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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