W7100A WIZnet, W7100A Datasheet - Page 151

• 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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13.3.2 Subtraction
registers pair RaRb. The second operand is located in registers pair RxRy.
13.3.3 Multiplication
in registers pair RaRb. The second operand is located in registers pair RxRy.
ADDC
SUBB
SUBB
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
MOV
ADD
CLR
RaRb = RaRb + RxRy
The following code performs 16-bit subtraction. The first operand and result are located in
RaRb = RaRb – RxRy
The following code performs 16-bit multiplication. The first operand and result are located
RaRb = RaRb * RxRy
Mnemonic
Mnemonic
Mnemonic
A, Rb
A, Ry
Rb, A
A, Ra
A, Rx
A, Rb
A, Ry
Rb, A
A, Ra
A, Rx
A, Rb
Ra, A
Ra, A
C
Sum :
Sum :
E8h – EFh
28h – 2Fh
F8h – FFh
E8h – EFh
38h – 3Fh
F8h – FFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
98h – 9Fh
F8h – FFh
E8h – EFh
Opcode
Opcode
Opcode
C3h
Byte
Byte
Byte
1
1
1
1
1
1
1
1
1
1
1
1
1
1
80C51 Cycle
80C51 Cycle
80C51 Cycle
12
12
12
12
12
12
72
12
12
12
12
12
12
12
84
12
wizmemcpy
wizmemcpy
wizmemcpy
ISP /
ISP /
ISP /
1
1
1
1
1
1
6
1
1
1
1
1
1
1
7
1
W7100A Cycle
W7100A Cycle
W7100A Cycle
Ver. 1.12
user code
user code
user code
FLASH /
FLASH /
FLASH /
24
28
4
4
4
4
4
4
4
4
4
4
4
4
4
4
151