参数资料
型号: MC9328MX21SVMR2
厂商: Freescale Semiconductor
文件页数: 49/88页
文件大小: 0K
描述: IC MPU I.MX21S 289-MAPBGA
标准包装: 1,000
系列: i.MX21
核心处理器: ARM9
芯体尺寸: 32-位
速度: 266MHz
连通性: 1 线,EBI/EMI,I²C,IrDA,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外围设备: DMA,I²S,LCD,POR,PWM,WDT
输入/输出数: 192
程序存储器类型: ROMless
电压 - 电源 (Vcc/Vdd): 1.45 V ~ 3.3 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 289-LFBGA
包装: 带卷 (TR)
Specifications
MC9328MX21S Technical Data, Rev. 1.3
Freescale Semiconductor
53
Figure 43. USB Timing Diagram for Data Transfer from USB Transceiver (RX)
The USBOTG I2C communication protocol consists of six components: START, Data Source/Recipient,
Data Direction, Slave Acknowledge, Data, Data Acknowledge, and STOP.
Figure 44. USB Timing Diagram for Data Transfer from USB Transceiver (I2C)
Table 36. USB Timing Parameters for Data Transfer from USB Transceiver (RX)
Ref No.
Parameter
3.0 V
± 0.3 V
Unit
Minimum
Maximum
1tFEOPR; Receiver SE0 interval of EOP
82
ns
Table 37. USB Timing Parameters for Data Transfer from USB Transceiver (I2C)
Ref No.
Parameter
1.8 V
± 0.1 V
Unit
Minimum
Maximum
1
Hold time (repeated) START condition
188
ns
2
Data hold time
0
188
ns
3
Data setup time
88
ns
4
HIGH period of the SCL clock
500
ns
5
LOW period of the SCL clock
500
ns
6
Setup time for STOP condition
185
ns
USB_ON
(Output)
USB_OE
(Output)
USB_TXDP
(Output)
USB_TXDM
(Output)
USB_RXDP
(Input)
USB_RXDM
(Input)
tFEOPR
1
USBG_SDA
USBG_SCL
1
2
3
4
6
5
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MX21
Product
Family
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