参数资料
型号: RM48L950PGET
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 200 MHz, RISC MICROCONTROLLER, PQFP144
封装: GREEN, PLASTIC, LQFP-144
文件页数: 80/154页
文件大小: 2807K
代理商: RM48L950PGET
PRODUCTPREVIEW
SPNS174
– SEPTEMBER 2011
2.4.2.11 USB Host Port Controller Interface
Table 2-35. ZWT USB Host Port Controller Interface (USB1, USB2)
Terminal
Signal
Default
Pull Type
Description
Type
Pull State
Signal Name
337
ZWT
N2HET1[08]/MIBSPI1SIMO[1]/MII_TXD[3]/
E18
Input
Pull Down
Fixed, 20uA
Overcurrent indication
USB1.OverCurrent
from USB power switch
MIBSPI1NCS[0]/MIBSPI1SOMI[1]/MII_TXD[2]/
R2
Pull Up
Fixed, 20uA
Receive data from USB
USB1.RCV
port transceiver
MIBSPI5NENA/MII_RXD[3]/USB1.VM
H18
NRZI encoded D-minus
from USB port transceiver
MIBSPI1NENA/N2HET1[23]/MII_RXD[2]/
G19
NRZI encoded D-plus
USB1.VP
from USB port transceiver
GIOB[1]/USB1.PortPower
K2
Output
Pull Down
-
N2HET1[30]/MII_RX_DV/USB1.SPEED
B11
Transmit speed indication
MIBSPI1NCS[1]/N2HET1[17]/MII_COL/
F3
Pull Up
-
USB1.SUSPEND
GIOB[0]/USB1.TXDAT
M2
Pull Down
-
N2HET1[10]/MII_TX_CLK/USB1.TXEN/
D19
Transmit enable to port
MII_TX_AVCLK4
transceiver
N2HET1[14]/USB1.TXSE0
A11
Single-ended zero to port
transceiver
N2HET1[11]/MIBSPI3NCS[4]/N2HET2[18]/
E3
Input
Pull Down
Fixed, 20uA
USB2.OverCurrent/USB_FUNC.VBUSI
GIOB[3]/USB2.RCV/USB_FUNC.RXDI
W10
Pull Down
Fixed, 20uA
GIOA[1]/USB2.VM/USB_FUNC.RXDMI
C2
NRZI encoded D-minus
from USB port transceiver
GIOA[0]/USB2.VP/USB_FUNC.RXDPI
A5
NRZI encoded D-plus
from USB port transceiver
N2HET1[07]/USB2.PortPower/
T1
Output
Pull Down
-
USB_FUNC.GZO/N2HET2[14]
N2HET1[03]/SPI4NCS[0]/USB2.SPEED/
U1
Transmit speed indication
USB_FUNC.PUENON/N2HET2[10]
N2HET1[09]/N2HET2[16]/USB2.SUSPEND/
V7
Port suspend indication
USB_FUNC.SUSPENDO
GIOA[2]/USB2.TXDAT/USB_FUNC.TXDO/N2HET2[0]
C1
NRZI encoded D-plus to
port transceiver
N2HET1[01]/SPI4NENA/USB2.TXEN\
V2
Transmit enable to port
USB_FUNC.PUENO/N2HET2[8]
transceiver
N2HET1[22]/USB2.TXSE0/USB_FUNC.SE0O
B3
Single-ended zero to port
transceiver
Table 2-36. ZWT USB Device Port Controller Interface (USB_FUNC)
Terminal
Signal
Default
Pull Type
Description
Type
Pull State
Signal Name
337
ZWT
N2HET1[07]/USB2.PortPower/USB_FUNC.GZO/N2HET2[14]
T1
Output
Pull Down
-
Pull Up enable, allows for
software-programmable
USB device
connect/disconnect
N2HET1[01]/SPI4NENA/USB2.TXEN/USB_FUNC.PUENO/
V2
PUENO inverted
N2HET2[8]
N2HET1[03]/SPI4NCS[0]/USB2.SPEED/USB_FUNC.PUENO
U1
N/
N2HET2[10]
Copyright
2011, Texas Instruments Incorporated
Device Package and Terminal Functions
31
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