at89lp428-25pu ATMEL Corporation, at89lp428-25pu Datasheet - Page 146
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at89lp428-25pu
Manufacturer Part Number
at89lp428-25pu
Description
8-bit Microcontroller With 4k/8k Bytes In-system Programmable Flash
Manufacturer
ATMEL Corporation
Datasheet
1.AT89LP428-25PU.pdf
(149 pages)
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8
9
10 I/O Ports .................................................................................................. 35
11 Enhanced Timer 0 and Timer 1 with PWM ........................................... 41
12 Enhanced Timer 2 .................................................................................. 52
13 Compare/Capture Array ........................................................................ 61
14 External Interrupts ................................................................................. 74
15 General-purpose Interrupts .................................................................. 74
16 Serial Interface (UART) .......................................................................... 77
Power Saving Modes ............................................................................. 26
Interrupts ................................................................................................ 29
8.1
8.2
9.1
9.2
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
16.1
Idle Mode .........................................................................................................26
Power-down Mode ...........................................................................................27
Interrupt Response Time .................................................................................31
Interrupt Registers ...........................................................................................32
Port Configuration ............................................................................................35
Port 2 Analog Functions ..................................................................................38
Port Read-Modify-Write ...................................................................................39
Port Alternate Functions ..................................................................................39
Mode 0 – Variable Width Timer/Counter .........................................................42
Mode 1 – 16-bit Auto-Reload Timer/Counter ...................................................42
Mode 2 – 8-bit Auto-Reload Timer/Counter .....................................................43
Mode 3 – 8-bit Split Timer ...............................................................................44
Pulse Width Modulation ...................................................................................47
Timer 2 Registers ............................................................................................53
Capture Mode ..................................................................................................55
Auto-Reload Mode ...........................................................................................55
Baud Rate Generator ......................................................................................59
Frequency Generator (Programmable Clock Out) ...........................................60
CCA Registers .................................................................................................62
Input Capture Mode .........................................................................................65
Output Compare Mode ....................................................................................66
Pulse Width Modulation Mode .........................................................................68
Multiprocessor Communications .....................................................................77
3654A–MICRO–8/09
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