W78E051B40DL Nuvoton Technology Corporation of America, W78E051B40DL Datasheet - Page 20

• Manufacturer Part Number: W78E051B40DL
• Description: IC MCU 8-BIT 4K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E051B40DL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Timing Waveforms, continued
9.5
Program Operation
(OECTRL)
(A15... A0)
(A7... A0)
P2, P1
P3.7
(OE)
P3.3
Vpp
P3.6
(CE)
P0
V
V
V
V
V
V
V
V
V
V
Vcp
V
IH
IL
IH
IL
IH
IL
IH
IL
IH
IL
IH
T
T
T
VPS
AS
DS
Program
Data In
T
PWP
Address Stable
T
DH
T
OCS
T
OES
Program
Verify
- 20 -
T
OCH
T
OEV
D
T
OUT
AH
T
DFP
Address Valid
Read Verify
Data Out
W78E51B