W78E051C40DL Nuvoton Technology Corporation of America, W78E051C40DL Datasheet - Page 18

• Manufacturer Part Number: W78E051C40DL
• Description: IC MCU 8-BIT 4K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E051C40DL

• 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
8.3 Data Write Cycle
8.4 Port Access Cycle
SAMPLE
PORT 2
PORT 0
XTAL1
INPUT
PORT
PSEN
XTAL1
ALE
ALE
WR
S4
T
PDS
A0-A7
S5
T
DAW
S5
S6
T
PDH
T
DAD
S1
A8-A15
DATA OUT
T
DWR
S2
- 18 -
S3
S4
S6
T
S5
DWD
W78E51C/W78E051C
S6
S1
DATA OUT
T
PDA
S2
S1
S3