mc94mx21 Freescale Semiconductor, Inc, mc94mx21 Datasheet - Page 61

• Manufacturer Part Number: mc94mx21
• Description: 333 And 350 Mhz
• Manufacturer: Freescale Semiconductor, Inc

The USBOTG I
Data Direction, Slave Acknowledge, Data, Data Acknowledge, and STOP.
Freescale Semiconductor
Ref No.
Ref No.
1
1
2
3
4
5
6
USB_RXDM
USB_TXDM
USB_RXDP
USB_TXDP
t
FEOPR
Hold time (repeated) START condition
Data hold time
Data setup time
HIGH period of the SCL clock
LOW period of the SCL clock
Setup time for STOP condition
USB_ON
USB_OE
(Output)
(Output)
(Output)
(Output)
(Input)
(Input)
Table 40. USB Timing Parameters for Data Transfer from USB Transceiver (RX)
Table 41. USB Timing Parameters for Data Transfer from USB Transceiver (I
Figure 52. USB Timing Diagram for Data Transfer from USB Transceiver (I
Figure 51. USB Timing Diagram for Data Transfer from USB Transceiver (RX)
; Receiver SE0 interval of EOP
2
C communication protocol consists of six components: START, Data Source/Recipient,
USBG_SDA
USBG_SCL
Parameter
Parameter
1
MC94MX21 Technical Data, Rev. 1.4
5
2
3
4
Minimum
Minimum
188
500
500
185
88
0
82
1.8 V ± 0.1 V
3.0 V ± 0.3 V
t
FEOPR
Maximum
1
Maximum
188
–
–
–
–
–
2
–
2
C)
C)
6
Specifications
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
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