參數資料
型號: MCIMX357DVM5B
廠商: Freescale Semiconductor
文件頁數: 65/147頁
文件大?。?/td> 0K
描述: PROCESSOR MULTIMEDIA 400PBGA
標準包裝: 90
系列: i.MX35
核心處理器: ARM11
芯體尺寸: 32-位
速度: 532MHz
連通性: 1 線,CAN,EBI/EMI,以太網,I²C,MMC,SPI,SSI,UART/USART,USB OTG
外圍設備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數: 96
程序存儲器類型: ROMless
RAM 容量: 128K x 8
電壓 - 電源 (Vcc/Vdd): 1.33 V ~ 1.47 V
振蕩器型: 外部
工作溫度: -20°C ~ 70°C
封裝/外殼: 400-LFBGA
包裝: 托盤
i.MX35 Applications Processors for Industrial and Consumer Products, Rev. 10
Freescale Semiconductor
24
Figure 6 shows the output pin transition time waveform.
Figure 6. Output Pin Transition Time Waveform
4.8.1
AC Electrical Test Parameter Definitions
AC electrical characteristics in Table 16 through Table 21 are not applicable for the output open drain
pull-down driver.
The dI/dt parameters are measured with the following methodology:
The zero voltage source is connected between pin and load capacitance.
The current (through this source) derivative is calculated during output transitions.
Table 15. AC Requirements of I/O Pins
Parameter
Symbol
Min.
Max.
Units
AC input logic high
VIH(ac)
NVCC
÷ 2 + 0.25
NVCC + 0.3
V
AC input logic low
VIL(ac)
–0.3
NVCC
÷ 2 – 0.25
V
Table 16. AC Electrical Characteristics of GPIO Pins in Slow Slew Rate Mode
[NVCC = 3.0 V–3.6 V]
Parameter
Symbol
Test
Condition
Min.
Rise/Fall
Typ. Rise/Fall
Max.
Rise/Fall
Units
Duty cycle
Fduty
40
60
%
Output pin slew rate (max. drive)
tps
25 pF
50 pF
0.79/1.12
0.49/0.73
1.30/1.77
0.84/1.23
2.02/2.58
1.19/1.58
V/ns
Output pin slew rate (high drive)
tps
25 pF
50 pF
0.48/0.72
0.27/0.42
0.76/1.10
0.41/0.62
1.17/1.56
0.63/0.86
V/ns
Output pin slew rate (standard
drive)
tps
25 pF
50 pF
0.25/0.40
0.14/0.21
0.40/0.59
0.21/0.32
0.60/0.83
0.32/0.44
V/ns
Output pin di/dt (max. drive)
tdit
25 pF
50 pF
15
16
36
38
76
80
mA/ns
Output pin di/dt (high drive)
tdit
25 pF
50 pF
8
9
20
21
45
47
mA/ns
Output pin di/dt (standard
drive)
tdit
25 pF
50 pF
4
10
22
23
mA/ns
0V
NVCC
20%
80%
20%
PA1
Output (at pin)
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