ATWEBDVK-02VOIP Atmel, ATWEBDVK-02VOIP Datasheet - Page 135
ATWEBDVK-02VOIP
Manufacturer Part Number
ATWEBDVK-02VOIP
Description
KIT DEV TCP/IP AT89C51RD2 VOIP
Manufacturer
Atmel
Series
@Webr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of ATWEBDVK-02VOIP
Main Purpose
*
Embedded
*
Utilized Ic / Part
AT89C51RD2
Primary Attributes
*
Secondary Attributes
*
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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AT89C51RD2/ED2
14 Serial I/O Port ......................................................................................... 48
15 Keyboard Interface ................................................................................ 59
16 Serial Port Interface (SPI) ...................................................................... 63
17 Interrupt System .................................................................................... 72
18 Power Management ............................................................................... 80
19 Hardware Watchdog Timer ................................................................... 84
20 ONCE
21 Power-off Flag ........................................................................................ 87
22 Reduced EMI Mode ................................................................................ 88
23 EEPROM Data Memory .......................................................................... 89
24 Flash/EEPROM Memory ........................................................................ 93
14.1
14.2
14.3
14.4
14.5
15.1
16.1
16.2
16.3
17.1
17.2
18.1
18.2
18.3
18.4
19.1
19.2
23.1
23.2
23.3
24.1
24.2
®
Mode (ON- Chip Emulation) ..................................................... 86
Framing Error Detection ..................................................................................48
Automatic Address Recognition ......................................................................49
Registers .........................................................................................................51
Baud Rate Selection for UART for Mode 1 and 3 ............................................51
UART Registers ...............................................................................................54
Registers .........................................................................................................60
Features ..........................................................................................................63
Signal Description ............................................................................................63
Functional Description .....................................................................................65
Registers .........................................................................................................73
Interrupt Sources and Vector Addresses .........................................................73
Introduction ......................................................................................................80
Idle Mode .........................................................................................................80
Power-Down Mode ..........................................................................................81
Registers .........................................................................................................83
Using the WDT ................................................................................................84
WDT during Power-down and Idle ...................................................................85
Write Data ........................................................................................................89
Read Data .......................................................................................................90
Registers .........................................................................................................91
Features ..........................................................................................................93
Flash Programming and Erasure .....................................................................93
4235K–8051–05/08
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