W7100A WIZnet, W7100A Datasheet - Page 153

• Manufacturer Part Number: W7100A
• Description: 8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
• Manufacturer: WIZnet

Specifications of W7100A

• Rohs: yes
• Core: 8051
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 25 MHz
• Program Memory Size: 255 B
• Data Ram Size: 64 KB
• On-chip Adc: No
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 80 C
• Package / Case: LQFP-100
• Mounting Style: SMD/SMT
• Interface Type: UART
• Program Memory Type: Flash

© Copyright 2011 WIZnet Co., Inc. All rights reserved.
13.4.2 Subtraction
four registers RaRbRcRd. The second operand is located in four registers RvRxRyRz.
13.4.3 Multiplication
in four registers RaRbRcRd. The second operand is located in four registers RvRxRyRz.
SUBB
SUBB
SUBB
SUBB
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MUL
XCH
MUL
ADD
CLR
The following code performs 32-bit subtraction. The first operand and result are located in
RaRbRcRd = RaRbRcRd – RvRxRyRz
The following code performs 32-bit multiplication. The first operand and result are located
RaRbRcRd = RaRbRcRd * RvRxRyRz
Mnemonic
Mnemonic
A, Rd
A, Rz
Rd, A
A, Rc
A, Ry
A, Rb
A, Rx
Rb, A
A, Ra
A, Rv
A, R0
B, R7
A, R4
B, R3
A, R4
Rc, A
Ra, A
R4, A
AB
AB
C
Sum :
C8h – CFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
88h – 8Fh
88h – 8Fh
28h – 2Fh
F8h – FFh
Opcode
Opcode
C3h
A4h
A4h
Byte
Byte
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
1
1
1
80C51 Cycle
80C51 Cycle
156
12
12
12
12
12
12
12
12
12
12
12
12
12
12
24
48
12
24
48
12
12
wizmemcpy
wizmemcpy
ISP /
ISP /
13
1
1
1
2
1
2
2
1
1
1
1
1
1
1
2
2
2
2
2
1
1
W7100A Cycle
W7100A Cycle
Ver. 1.12
user code
user code
FLASH /
FLASH /
52
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
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