W77E058A40DL Nuvoton Technology Corporation of America, W77E058A40DL Datasheet - Page 38

• Manufacturer Part Number: W77E058A40DL
• Description: IC MCU 8-BIT 32K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W77r

Specifications of W77E058A40DL

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, Serial Port
• Peripherals: POR, WDT
• Number Of I /o: 32
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Cpu Family: W77
• Device Core: 8051
• Device Core Size: 8b
• Frequency (max): 40MHz
• Interface Type: UART
• Total Internal Ram Size: 1KB
• # I/os (max): 32
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 40
• Package Type: PDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant

PORT 2
PSEN
AD7-0
ALE
CLK
PSEN
AD7-0
Port 2
CLK
ALE
C1
Instruction Fetch
A7-0
Address A15-8
C2
C1
Instruction Fetch
OP-CODE
C3
A7-0
Address A15-8
C2
C4
OP-CODE
C3
C1
Operand Fetch
C4
A7-0
Address A15-8
C2
Figure 6. Four Cycle Instruction Timing
Figure 7. Five Cycle Instruction Timing
C1
OPERAND
C3
Operand Fetch
A7-0
Address A15-8
C2
C4
OPERAND
C3
C1
Operand Fetch
- 38 -
A7-0
Address A15-8
C4
C2
OPERAND
C3
C1
Operand Fetch
A7-0
C4
Address A15-8
C2
C1
OPERAND
C3
Operand Fetch
A7-0
Address A15-8
C2
C4
OPERAND
C3
C1
C4
Operand Fetch
A7-0
C2
Address A15-8
C1
W77E058A
Operand Fetch
OPERAND
A7-0
C3
Address A15-8
C2
C4
OPERAND
C3
C4