AT89LV55-12PI Datasheet PDF - ATMEL Corporation
| Part Number | AT89LV55-12PI | |
| Description | 8-Bit Microcontroller with 20K Bytes Flash | |
| Manufacturers | ATMEL Corporation | |
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203Features
• Compatible with MCS-51™ Products
• 20K Bytes of Reprogrammable Flash Memory
– Endurance: 1,000 Write/Erase Cycles
• Fully Static Operation: 0 Hz to 12 MHz
• Three-Level Program Memory Lock
• 256 x 8-bit Internal RAM
• 32 Programmable I/O Lines
• Three 16-bit Timer/Counters
• Eight Interrupt Sources
• Low Power Idle and Power Down Modes
• 2.7V to 6.0V Operating Range
Description
The AT89LV55 is a low-voltage, low-power CMOS 8-bit microcomputer with 20K
bytes of Flash programmable and erasable read only memory. The device is manu-
factured using Atmel’s high density nonvolatile memory technology and is compatible
with the industry standard 80C51 instruction set and pinout. The on-chip Flash allows
the program memory to be reprogrammed. By combining a versatile 8-bit CPU with
Flash on a monolithic chip, the Atmel AT89LV55 is a powerful microcomputer which
provides a highly flexible and cost effective solution to many embedded control appli-
cations.
(continued)
Pin Configurations
TQFP
PLCC
8-Bit
Microcontroller
with 20K Bytes
Flash
AT89LV55
PDIP
0811B-B–12/97
4-193
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AT89LV55
Table 1. AT89LV55 SFR Map and Reset Values
0F8H
0F0H
0E8H
0E0H
0D8H
0D0H
0C8H
0C0H
0B8H
0B0H
0A8H
0A0H
98H
90H
88H
80H
B
00000000
ACC
00000000
PSW
00000000
T2CON
00000000
IP
XX000000
P3
11111111
IE
0X000000
P2
11111111
SCON
00000000
P1
11111111
TCON
00000000
P0
11111111
T2MOD
XXXXXX00
SBUF
XXXXXXXX
TMOD
00000000
SP
00000111
RCAP2L
00000000
TL0
00000000
DPL
00000000
RCAP2H
00000000
TL1
00000000
DPH
00000000
TL2
00000000
TH0
00000000
TH2
00000000
TH1
00000000
0FFH
0F7H
0EFH
0E7H
0DFH
0D7H
0CFH
0C7H
0BFH
0B7H
0AFH
0A7H
9FH
97H
8FH
PCON
0XXX0000
87H
4-197
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for AT89LV55-12PI electronic component. |
| Information | Total 23 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ AT89LV55-12PI.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| AT89LV55-12PC | The function is 8-Bit Microcontroller with 20K Bytes Flash. ATMEL Corporation | |
| AT89LV55-12PI | The function is 8-Bit Microcontroller with 20K Bytes Flash. ATMEL Corporation | |
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