AT89LP3240 Atmel Corporation, AT89LP3240 Datasheet - Page 196

• 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 of Contents (Continued)
ii
AT89LP3240/6440
8
9
10 I/O Ports .................................................................................................. 45
11 Enhanced Timer 0 and Timer 1 with PWM ........................................... 51
12 Enhanced Timer 2 .................................................................................. 60
13 Compare/Capture Array ........................................................................ 69
14 External Interrupts ................................................................................. 82
15 General-purpose Interrupts .................................................................. 83
Power Saving Modes ............................................................................. 36
Interrupts ................................................................................................ 39
7.4
7.5
8.1
8.2
8.3
9.1
10.1
10.2
10.3
10.4
11.1
11.2
11.3
11.4
11.5
12.1
12.2
12.3
12.4
12.5
13.1
13.2
13.3
13.4
Watchdog Reset ..............................................................................................36
Software Reset ................................................................................................36
Idle Mode .........................................................................................................36
Power-down Mode ...........................................................................................37
Reducing Power Consumption ........................................................................38
Interrupt Response Time .................................................................................41
Port Configuration ............................................................................................45
Port Analog Functions .....................................................................................48
Port Read-Modify-Write ...................................................................................48
Port Alternate Functions ..................................................................................49
Mode 0 – Variable Width Timer/Counter .........................................................52
Mode 1 – 16-bit Auto-Reload Timer/Counter ...................................................52
Mode 2 – 8-bit Auto-Reload Timer/Counter .....................................................53
Mode 3 – 8-bit Split Timer ...............................................................................53
Pulse Width Modulation ...................................................................................56
Timer 2 Registers ............................................................................................61
Capture Mode ..................................................................................................62
Auto-Reload Mode ...........................................................................................63
Baud Rate Generator ......................................................................................67
Frequency Generator (Programmable Clock Out) ...........................................68
CCA Registers .................................................................................................70
Input Capture Mode .........................................................................................72
Output Compare Mode ....................................................................................75
Pulse Width Modulation Mode .........................................................................77
3706C–MICRO–2/11