W7100A WIZnet, W7100A Datasheet - Page 150

• 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

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13.2.3 Multiplication
13.2.4 Division
13.3 16-Bit Arithmetic Functions
13.3.1 Addition
registers pair RaRb. The second operand is located in registers pair RxRy.
SUBB
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MUL
Rx = Rx - Ry
The following code performs the 8-bit register multiplication.
Rx = Rx * Ry
The following code performs the 8-bit register division.
Rx = Rx / Ry
The following code performs 16-bit addition. The first operand and result are located in
DIV
Mnemonic
Mnemonic
Mnemonic
A, Rx
A, Ry
A, Rx
A, Rx
Rx, A
B, Ry
Rx, A
B, Ry
Rx, A
AB
AB
Sum :
Sum :
Sum :
E8h – EFh
28h – 2Fh
F8h – FFh
E8h – EFh
88h – 8Fh
F8h – FFh
E8h – EFh
88h – 8Fh
F8h – FFh
Opcode
Opcode
Opcode
A4h
84h
Byte
Byte
Byte
1
1
1
1
2
1
1
1
2
1
1
80C51 Cycle
80C51 Cycle
80C51 Cycle
12
12
12
36
12
24
48
12
96
12
24
48
12
96
wizmemcpy
wizmemcpy
wizmemcpy
ISP /
ISP /
ISP /
10
1
1
1
3
1
2
2
1
6
1
2
6
1
W7100A Cycle
W7100A Cycle
W7100A Cycle
Ver. 1.12
user code
user code
user code
FLASH /
FLASH /
FLASH /
12
12
20
4
4
4
4
4
4
4
4
4
8
4
150