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AT89C1051U-24PC - AT89C1051 20-Pin 24MHz 1kb 8-bit Microcontroller Technical Data - Buy AT89C1051U-24PC
Photograph |
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Features |
Compatible with MCS-51 Products
1K Bytes of Reprogrammable Flash Memory
2.7 to 6V Operating Range
Fully Static Operation: 0 Hz to 24 MHz
Two-level Program Memory Lock
64 x 8-bit Internal RAM
15 Programmable I/O Lines
Two 16-bit Timer/Counters
Six Interrupt Sources
Programmable Serial UART Channel
Direct LED Drive Outputs
On-chip Analog Comparator
Low-power Idle and Power-down Modes
20-pin DIP
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Pin Layout |
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Pin Description |
Pin Number
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Description
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1
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RESET - Reset
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2
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P3.0 - Port 3 - RXD
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3
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P3.1 - Port 3 - TXD
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4
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XTAL2 - Crystal
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5
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XTAL1 - Crystal
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6
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P3.2 - Port 3 - INT0
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7
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P3.3 - Port 3 - INT1
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8
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P3.4 - Port 3 - TO
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9
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P3.5 - Port 3 - T1
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10
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GND - Ground
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11
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P3.7 - Port 3
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12
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P1.0 - Port 1 - AIN0
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13
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P1.1 - Port 1 - AIN1
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14
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P1.2 - Port 1
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15
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P1.3 - Port 1
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16
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P1.4 - Port 1
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17
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P1.5 - Port 1
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18
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P1.6 - Port 1
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19
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P1.7 - Port 1
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20
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Vcc - Positive Supply
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Dimensional Drawing |
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Technical Data |
Data Sheet
Application Notes
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