AT89C51RD2-RDTIM Atmel, AT89C51RD2-RDTIM Datasheet - Page 134
AT89C51RD2-RDTIM
Manufacturer Part Number
AT89C51RD2-RDTIM
Description
MCU 8-Bit AT89 80C51 CISC 64KB Flash 3.3V/5V 64-Pin VQFP Tray
Manufacturer
Atmel
Datasheet
1.AT89C51RD2-RDTIM.pdf
(137 pages)
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4235J–8051–01/08
1
2
3
4
5
6
7
8
9
10 Reset ....................................................................................................... 26
11 Power Monitor ........................................................................................ 28
12 Timer 2 .................................................................................................... 30
13 Programmable Counter Array (PCA) .................................................... 35
Features .................................................................................................... 1
Description ............................................................................................... 2
Block Diagram .......................................................................................... 3
SFR Mapping ............................................................................................ 4
Pin Configurations ................................................................................... 9
Port Types .............................................................................................. 14
Oscillator ................................................................................................ 15
Enhanced Features ................................................................................ 17
Dual Data Pointer Register (DPTR) ...................................................... 21
Expanded RAM (XRAM) ......................................................................... 23
6.1
6.2
7.1
9.1
10.1
10.2
10.3
11.1
12.1
12.2
12.3
13.1
13.2
13.3
13.4
13.5
Registers ......................................................................................................... 15
Functional Block Diagram................................................................................ 16
X2 Feature....................................................................................................... 17
Registers ......................................................................................................... 24
Introduction...................................................................................................... 26
Reset Input ...................................................................................................... 26
Reset Output ................................................................................................... 26
Description....................................................................................................... 28
Auto-reload Mode ............................................................................................ 30
Programmable
Clock-output
Registers ......................................................................................................... 32
PCA Capture Mode ......................................................................................... 43
16-bit Software Timer/ Compare Mode ........................................................... 43
High Speed Output Mode ................................................................................ 44
Pulse Width Modulator Mode .......................................................................... 45
PCA Watchdog Timer...................................................................................... 46
AT89C51RD2/ED2
31
1
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