AT89LP428 Atmel Corporation, AT89LP428 Datasheet - Page 148

• Manufacturer Part Number: AT89LP428
• Manufacturer: Atmel Corporation

Specifications of AT89LP428

• Flash (kbytes): 4 Kbytes
• Max. Operating Frequency: 25 MHz
• Cpu: 8051-1C
• Max I/o Pins: 30
• Spi: 1
• Uart: 1
• Sram (kbytes): 0.75
• Eeprom (bytes): 512
• Self Program Memory: IAP
• Operating Voltage (vcc): 2.4 to 5.5
• Timers: 3
• Isp: SPI/OCD
• Watchdog: Yes

24 Electrical Characteristics .................................................................... 127
25 Ordering Information ........................................................................... 138
26 Packaging Information ........................................................................ 139
27 Revision History ................................................................................... 143
23.8
23.9
24.1
24.2
24.3
24.4
24.5
24.6
24.7
24.8
24.9
25.1
26.1
26.2
26.3
26.4
User Signature and Analog Configuration .....................................................122
Programming Interface Timing ......................................................................122
Absolute Maximum Ratings* .........................................................................127
DC Characteristics .........................................................................................127
Typical Characteristics ..................................................................................128
Clock Characteristics .....................................................................................132
Reset Characteristics ....................................................................................132
Serial Peripheral Interface Timing .................................................................133
Dual Analog Comparator Characteristics ......................................................135
Serial Port Timing: Shift Register Mode ........................................................136
Test Conditions ..............................................................................................136
Green Package (Pb/Halide-free) ...................................................................138
32A – TQFP ...................................................................................................139
28P3 – PDIP ..................................................................................................140
32J – PLCC ...................................................................................................141
32M1-A – MLF ...............................................................................................142
3654A–MICRO–8/09