W78E052DDG Nuvoton Technology Corporation of America, W78E052DDG Datasheet - Page 27

• Manufacturer Part Number: W78E052DDG
• Description: IC MCU 8-BIT 8K FLASH 40-DIP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78E052DDG

• Core Processor: 8052
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 36
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-DIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Interrupt High Priority
Mnemonic: IPH
Interrupt Priority
Mnemonic: IP
6
5
4
3
2
1
0
Bit:
BIT
7
6
5
4
3
2
1
0
Bit:
BIT
5
4
3
2
1
0
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
7
IPH.7
NAME
IPH.7
IPH.6
IPH.5
IPH.4
IPH.3
IPH.2
IPH.1
IPH.0
7
NAME
PT2
PS
PT1
PX1
PT0
PX0
-
6
6
IPH.6
T1
T0
TX
RX
FUNCTION
1: Interrupt high priority of INT3 is highest priority level.
1: Interrupt high priority of INT2 is highest priority level.
1: Interrupt high priority of Timer 2 is highest priority level.
1: Interrupt high priority of Serial Port 0 is highest priority level.
1: Interrupt high priority of Timer 1 is highest priority level.
1: Interrupt high priority of External interrupt 1 is highest priority level.
1: Interrupt high priority of Timer 0 is highest priority level.
1: Interrupt high priority of External interrupt 0 is highest priority level.
FUNCTION
1: Interrupt priority of Timer 2 is higher priority level.
1: Interrupt priority of Serial port 0 is higher priority level.
1: Interrupt priority of Timer 1 is higher priority level.
1: Interrupt priority of External interrupt 1 is higher priority level.
1: Interrupt priority of Timer 0 is higher priority level.
1: Interrupt priority of External interrupt 0 is higher priority level.
INT1
INT0
WR
-
5
IPH.5
5
PT2
W78E054D/W78E052D/W78E051D Data Sheet
4
IPH.4
4
PS
- 27 -
3
IPH.3
3
PT1
Publication Release Date: Dec 29, 2009
2
2
IPH.2
PX1
1
IPH.1
1
PT0
Address: B7h
Address: B8h
Revision A09
0
IPH.0
0
PX0