MIC2555_06 Datasheet, PDF (15/29 Pages) Micrel Semiconductor – USB – OTG Transceiver

Micrel, Inc.
USB mode: uart_en = 0
suspend dat_se0
0
0
0
0
0
1
0
1
1
0
1
1
OE_INT/
0
1
0
1
1
1
RCV
DIFF
DIFF
Z
Z
Z
Z
DIFF = Differential receiver output
RX_SE0 = not (SE_DP) and not (SE_DM)
TX_DAT = DAT_VP and not (SE0_VM)
TX_SE0 = not (DAT_VP) and not (SE0_VM)
Z
= Tri-State
DAT_VP
TX data
SE_DP
TX data
DIFF
SE_DP
SE_DP
SE0_VM
TX data
SE_DM
TX data
RX_SE0
SE_DM
RX_SE0
D+
DAT_VP
RX data
TX_DAT
RX data
RX data
RX data
D-
SE0_VM
RX data
TX_SE0
RX data
RX data
RX data
MIC2555
USB Transmit Operation
Inputs
Outputs
USB Mode
DAT_VP_RX SE0_VM_TX
D+
D-
RCV
0
0
0
1
unused
1
DAT-SE0
0
0
1
0
unused
1
0
0
unused
1
1
0
0
unused
0
0
0
0
undefined
1
VP-VM
0
0
1
0
1
1
0
1
0
1
1
1
1
undefined
The transceiver receives USB data from D+, D- lines when:
Conditions:
Uart_en = 0
OE_INT/ = 0
Operation of the DAT_VP_RX, SE0_VM_TX and RCV pins during receive is shown on the following page.
December 2006
15
M9999-121406