W90N740CDG Nuvoton Technology Corporation of America, W90N740CDG Datasheet - Page 88

• 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: -

MIIData [15:0]: MII station management data
This register contains a 16-bit data value for the MII station management function.
MAC MII Management Data Control and Address Register (MIIDA_0, MIIDA_1)
MDCCR [23:20]: MDC clock rating
Default value: 0x009
The 4-bit value is to set the MDC clock period.
Default MDCCR [23:20] = 9
MIIDA_0
MIIDA_1
REGISTER
31
23
15
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
7
0xFFF0.3094 R/W MII Management Data Control and Address Register 0x00A0.0000
0xFFF0.3894 R/W MII Management Data Control and Address Register 0x00A0.0000
Reserved
Reserved
ADDRESS
MDCCR [23:20]
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
30
22
14
6
MDCCR
R/W
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
29
21
13
5
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
28
20
12
4
Reserved
- 85 -
W90N740CD/W90N740CDG
MDCON
DESCRIPTION
27
19
11
3
Publication Release Date: Aug. 18, 2005
MDC clock period
PHYRAD
PHYAD
PreSP
12 x (1/Fmclk)
16 x (1/Fmclk)
20 x (1/Fmclk)
24 x (1/Fmclk)
28 x (1/Fmclk)
30 x (1/Fmclk)
32 x (1/Fmclk)
36 x (1/Fmclk)
40 x (1/Fmclk)
44 x (1/Fmclk)
48 x (1/Fmclk)
54 x (1/Fmclk)
60 x (1/Fmclk)
4 x (1/Fmclk)
6 x (1/Fmclk)
8 x (1/Fmclk)
26
18
10
2
BUSY
25
17
9
1
RESET
VALUE
Revision A6
WR
24
16
8
0