ATWEBDVK-02VOIP Atmel, ATWEBDVK-02VOIP Datasheet - Page 3
![KIT DEV TCP/IP AT89C51RD2 VOIP](/photos/9/4/90460/atwebdvk-02voip_sml.jpg)
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
- Current page: 3 of 137
- Download datasheet (2Mb)
2. Block Diagram
Figure 2-1.
4235K–8051–05/08
Block Diagram
ALE/
XTALA1
XTALA2
PSEN
PROG
WR
EA
RD
(2)
(2)
CPU
(2) (2)
(2)
Timer 0
Timer 1
EUART
(2)
CORE
C51
(2) (2)
256x8
RAM
Ctrl
INT
IB-bus
(1): Alternate function of Port 1
(2): Alternate function of Port 3
Port 0 Port 1
64K x 8
Flash
Parallel I/O Ports &
External Bus
Port 2
1792 x 8
XRAM
Port 3
(1)
Port4
PCA
Port 5
(1)
(1)
Timer2
(1)
(1) (1)(1)(1)
AT89C51RD2/ED2
SPI
Keyboard
(1)
2K x 8
BOOT
ROM
Watch
-dog
Regulator
POR / PFD
(AT89C51ED2)
EEPROM*
2K x 8
3
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