W78L801A24LL Nuvoton Technology Corporation of America, W78L801A24LL Datasheet - Page 9

• Manufacturer Part Number: W78L801A24LL
• Description: IC MCU 8-BIT 4K ROM 48-LQFP
• Manufacturer: Nuvoton Technology Corporation of America
• Series: W78r

Specifications of W78L801A24LL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: EBI/EMI
• Peripherals: LED, WDT
• Number Of I /o: 36
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: Mask ROM
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

Interrupt Priority Register 0
Interrupt Priority Register 1
Interrupt Polarity Register
Note: 0 = interrupt disabled, 1 = interrupt enabled.
IP.7: Unused.
PS1: This bit defines the Serial port 1 interrupt priority. PS = 1 sets it to higher priority level.
PT2: This bit defines the Timer 2 interrupt priority.
PS : This bit defines the Serial port 0 interrupt priority. PS = 1 sets it to higher priority level.
PT1: This bit defines the Timer 1 interrupt priority.
PX1: This bit defines the External interrupt 1 priority.
PT0: This bit defines the Timer 0 interrupt priority.
PX0: This bit defines the External interrupt 0 priority.
PX9: This bit defines the External interrupt 9 priority. PX9 = 1 sets it to higher priority level.
PX8: This bit defines the External interrupt 8 priority. PX8 = 1 sets it to higher priority level.
PX7: This bit defines the External interrupt 7 priority. PX7 = 1 sets it to higher priority level.
PX6: This bit defines the External interrupt 6 priority. PX6 = 1 sets it to higher priority level.
PX5: This bit defines the External interrupt 5 priority. PX5 = 1 sets it to higher priority level.
PX4: This bit defines the External interrupt 4 priority. PX4 = 1 sets it to higher priority level.
PX3: This bit defines the External interrupt 3 priority. PX3 = 1 sets it to higher priority level.
PX2: This bit defines the External interrupt 2 priority. PX2 = 1 sets it to higher priority level.
IL9:
IL8:
IL7:
IL6:
IL5:
IL4:
IL3:
IL2:
Note: 0 = active LOW, 1 = active HIGH.
External interrupt 9 polarity level.
External interrupt 8 polarity level.
External interrupt 7 polarity level.
External interrupt 6 polarity level.
External interrupt 5 polarity level.
External interrupt 4 polarity level.
External interrupt 3 polarity level.
External interrupt 2 polarity level.
Bit:
Bit:
Bit:
PX9
Mnemonic: IX
Mnemonic: IP0
Mnemonic: IP1
IL9
7
7
7
-
PS1
PX8
IL8
6
6
6
PX7
PT2
IL7
- 9 -
5
5
5
PX6
Address: E9H
Address: B8h
Address: F8h
IL6
PS
4
4
4
PT2 = 1 sets it to higher priority level.
PT1 = 1 sets it to higher priority level.
PX1 = 1 sets it to higher priority level.
PT0 = 1 sets it to higher priority level.
PX0 = 1 sets it to higher priority level.
Publication Release Date: June 04, 2006
PT1
PX5
IL5
3
3
3
PX1
PX4
IL4
2
2
2
PX3
PT0
IL3
W78L801
1
1
1
Revision A10
PX0
PX2
IL2
0
0
0