W90N740CDG Nuvoton Technology Corporation of America, W90N740CDG Datasheet - Page 12

• Manufacturer Part Number: W90N740CDG
• Description: IC MCU ARM7 TDMI 176-LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W90r

Specifications of W90N740CDG

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 80MHz
• Connectivity: EBI/EMI, Ethernet, UART/USART, USB
• Peripherals: DMA, POR, WDT
• Number Of I /o: 21
• Program Memory Type: ROMless
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 176-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Table 4 W90N740 Pins Assignment, continued
USB Interface
DP
DN
Miscellaneous
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]
Power/Ground
VDD18
VSS18
VDD33
VSS33
USBVDD
USBVSS
DVDD18
DVSS18
AVDD18
AVSS18
NAME
- 9 -
W90N740CD/W90N740CDG
131
130
136-133
29
28
19
18
17
140
139
128
127
126
138
137
125
16-13
22, 69, 113, 155
23, 68, 112, 156
12, 33, 53, 71, 85,
100, 116, 141, 162
9, 35, 55, 73, 87, 102, 118, 145, 165
132
129
175
176
173
174
176-PIN LQFP
Publication Release Date: Aug. 18, 2005
( 21 pins )
( 2 pins )
(32 pins)
Revision A6