AT89EVK-01 Atmel, AT89EVK-01 Datasheet - Page 6

• Manufacturer Part Number: AT89EVK-01
• Description: KIT EVAL FOR AT83C24 FOR TDA8004
• Manufacturer: Atmel

Specifications of AT89EVK-01

• Main Purpose: Memory, Smart Card
• Utilized Ic / Part: AT83C24
• Processor To Be Evaluated: AT83C24
• Interface Type: RS-232
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Secondary Attributes: -
• Embedded: -
• Primary Attributes: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

4325C–SCR–09/04
Hardware Description
2.2
2.2.1
2-8
T89C5121
Firmware
Reconfiguration
CEIBO MP-51RD2
Programmer
The program stored in the T89C5121 (Flash version) sends TWI commands to config-
ure the AT83C24 registers at each reset or power on.
If the user wants to modify the AT83C24 configuration, it need to reprogram the
T89C5121 Flash memory by using FLIP/BatchISP software (free download on
www.atmel.com) as described below.
Figure 2-5. T89C5121 In System Programming Description
The CEIBO “MP-51RD2 Programmer” board is used to interface the RS-232 and the Rx
Tx pins of the T89C5121. This board makes the electrical interface between microcon-
troller signals (5V) and RS-232 signals (12V).
Waveform
Generator
(14.74 MHz)
5V
Power Supply
FLIP/BatchISP software
(ATMEL In System Programming software)
RS-232
VCC
VSS
CEIBO
MP-51RD2 board
XTAL1
EVK01 board
Rx, Tx signals (5V)
AT89EVK-01 User Guide