AT89LP3240 Atmel Corporation, AT89LP3240 Datasheet - Page 44

• Manufacturer Part Number: AT89LP3240
• Manufacturer: Atmel Corporation

Specifications of AT89LP3240

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-1C
• Max I/o Pins: 38
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 153.8
• Sram (kbytes): 4.25
• Eeprom (bytes): 8192
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 3.6
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

Table 9-6.
Table 9-7.
44
Symbol
PSP
PCC
PGP
Symbol
IP1D
PCH
PT2H
PSH
PT1H
PX1H
PT0H
PX0H
Symbol
IP3D
PTWH
PADH
PSPH
PCCH
PGPH
IPH = B7H
Not Bit Addressable
Bit
IPH = B6H
Not Bit Addressable
Bit
AT89LP3240/6440
Function
Serial Peripheral Interface Interrupt Priority Low
Compare/Capture Array Interrupt Priority Low
General-purpose Interrupt 0 Priority Low
Function
Interrupt Priority 1 Disable. Set IP1D to 1 to disable all interrupts with priority level one. Clear to 0 to enable all interrupts
with priority level one when EA = 1.
Comparator Interrupt Priority High
Timer 2 Interrupt Priority High
Serial Port Interrupt Priority High
Timer 1 Interrupt Priority High
External Interrupt 1 Priority High
Timer 0 Interrupt Priority High
External Interrupt 0 Priority High
Function
Interrupt Priority 3 Disable. Set IP3D to 1 to disable all interrupts with priority level three. Clear to 0 to enable all
interrupts with priority level three when EA = 1.
Two-Wire Interface Interrupt Priority High
ADC Interrupt Priority High
Serial Peripheral Interface Interrupt Priority High
Compare/Capture Array Interrupt Priority High
General-purpose Interrupt 0 Priority High
IPH – Interrupt Priority High Register
IP2H – Interrupt Priority 2 High Register
IP1D
IP3D
7
7
PCH
6
–
6
PT2H
5
–
5
PTWH
PSH
4
4
PADH
PT1H
3
3
PSPH
PX1H
2
2
Reset Value = 0000 0000B
Reset Value = 0xxx x000B
PCCH
PT0H
1
1
PGPH
PX0H
3706C–MICRO–2/11
0
0