W77E058A40PL Nuvoton Technology Corporation of America, W77E058A40PL Datasheet - Page 37

• Manufacturer Part Number: W77E058A40PL
• Description: IC MCU 8-BIT 32K FLASH 44-PLCC
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W77r

Specifications of W77E058A40PL

• 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: 36
• 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: 44-PLCC
• 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: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• 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
AD7-0
PSEN
CLK
ALE
PORT 2
AD7-0
PSEN
CLK
ALE
C1
Instruction Fetch
A7-0
C2
C1
Address A15-8
C3
Instruction Fetch
OP-CODE
PC
C2
Figure 5. Three Cycle Instruction Timing
Figure 4. Two Cycle Instruction Timing
C4
Address A15-8
C3
C1
OP-CODE
Operand Fetch
A7-0
- 37 -
C4
C2
Address A15-8
C3
OPERAND
C1
C4
Operand Fetch
Publication Release Date: April 17, 2007
PC+1
C2
C1
Address A15-8
C3
Operand Fetch
A7-0
C2
OPERAND
Address A15-8
W77E058A
C4
C3
OPERAND
C4
Revision A10