W90N740CD WINBOND [Winbond], W90N740CD Datasheet - Page 16

• Manufacturer Part Number: W90N740CD
• Description: 32-Bit ARM7TDMI-Based Micro-Controller
• Manufacturer: WINBOND [Winbond]

Pins Description, Continued
USB Interface
Miscellaneous
Power/Ground
DP
DN
GP[20:17] / nIRQ[3:0]
GP16 / nXDREQ
GP15 /nXDACK
GP14 /
TIMER1/SPEED
GP13 /
TIMER0/STDBY
GP12 /nWDOG
GP11 /RxD
GP10 /TxD
GP9/nDSR/nTOE
GP8 /nDTR/FSE0
GP7 /nCD /VO
GP6 /nCTS/ VM
GP5 /nRTS/ VP
GP4 /nRI /RCV
GP[3:0]
VDD18
VSS18
VDD33
VSS33
USBVDD
USBVSS
DVDD18
DVSS18
AVDD18
AVSS18
NAME
IO TYPE
IOU
IOU
IOU
IOU
IOU
IOU
IOU
IO
IO
IO
IO
IO
IO
IO
IO
IO
IO
G
G
G
G
G
P
P
P
P
P
Differential Positive USB IO signal
Differential Negative (Minus) USB IO signal
External Interrupt Request or General Purpose I/O
External DMA Request or General Purpose I/O
External DMA Acknowledge or General Purpose I/O
Timer 1 or General Purpose I/O. This pin is also used as SPEED,
Speed mode control for external USB transceiver
Timer 0 or General Purpose I/O. This pin is also used as STDBY, StandBy
control for external USB transceiver
Watchdog Timer Timeout Flag (active-low) or General Purpose I/O
UART Receive Data or General Purpose I/O
UART Transmit Data or General Purpose I/O
UART Receive Clock or General Purpose I/O. This pin is also used as nTOE,
Output Enable control (active-low) for external USB transceiver.
UART Transmit Clock or General Purpose I/O. This pin is also used as SE0,
Differential Data Transceiver Output for external USB transceiver.
UART Carrier Detector or General Purpose I/O. This pin is also used as VO,
Data Output for external USB transceiver.
UART Clear to Send or General Purpose I/O. This pin is also used as VM, Data
Negative (Minus) Input for external USB receiver.
UART Ready to Send or General Purpose I/O. This pin is also used as VP, Data
Positive Input for external USB receiver.
UART Ring Indicator or General Purpose I/O. This pin is also used as RCV,
Difference Receiver Input.
General Purpose I/O.
Core Logic power (1.8V)
Core Logic ground (0V)
IO Buffer power (3.3V)
IO Buffer ground (0V)
USB power (3.3V)
USB ground (0V)
PLL Digital power (1.8V)
PLL Digital ground (0V)
PLL Analog power (1.8V)
PLL Analog ground (0V)
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W90N740 Reference Manual
DESCRIPTION