W7100A WIZnet, W7100A Datasheet - Page 13

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W7100A

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

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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register is used as normal SFR.
division, and other operations such as increment, decrement, BCD-decimal-add-adjust, and
compare. Logic unit uses AND, OR, Exclusive OR, complement, and rotation to perform
different operations. The Boolean processor performs bit operations such as set, clear,
complement, jump-if-not-set, jump-if-set-and-clear, and move to/from carry.
The B register is used during multiplication and division operations. In other cases, this
The ALU performs arithmetic operations such as addition, subtraction, multiplication, and
The PSW register contains several bits that can reflect the current state of MCU.
ACC.7
B.7
CY
7
7
7
ACC.6
RS[1:0]
B.6
AC
CY
AC
OV
6
6
F0
F1
6
P
Overflow flag
ACC.5
Carry flag
Auxiliary carry
General purpose flag 0
Register bank select bits
RS[1:0]
00
01
10
11
General purpose flag 1
Parity flag
B.5
F0
Figure 1.4 Program Status Word Register
5
5
5
Figure 1.2 Accumulator A Register
ACC.4
Figure 1.5 PSW Register
RS1
B.4
Figure 1.3 B Register
4
4
4
Function Description
-Bank 0, data address 0x00 - 0x07
-Bank 1, data address 0x08 - 0x0F
-Bank 2, data address 0x10 - 0x17
-Bank 3, data address 0x18 - 0x1F
PSW (0xD0)
ACC (0xE0)
B (0xF0)
ACC.3
B.3
RS0
3
3
3
ACC.2
B.2
OV
2
2
2
ACC.1
B.1
F1
1
1
1
ACC.0
Ver. 1.12
B.0
0
P
0
0
Reset
Reset
Reset
0x00
0x00
0x00
13

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