AT89STK-09 Atmel, AT89STK-09 Datasheet - Page 6

• Manufacturer Part Number: AT89STK-09
• Description: EVAL BOARD FOR AT83C26
• Manufacturer: Atmel

Specifications of AT89STK-09

• Main Purpose: Memory, Smart Card
• Embedded: No
• Utilized Ic / Part: AT83C26
• Primary Attributes: Manages up to 5 Smart Cards, TWI, SCIB
• Secondary Attributes: 2 DC/DC Converters, Requires a Host Microcontroller
• Processor To Be Evaluated: AT83C26
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

7521B–SCR–10/05
Hardware
2.3.1
2-5
CPRES0 & 1
External Pullups
•
Table 2-1. U1 Description
R1(component side), R2 (solder side) can be added if internal CPRES0, CPRES1 pull
up are not activated. R1, R2 recommended values are between 27KOhms to 1MOhms.
By default, resistors value is 180KOhms
#
1
2
3
4
5
6
7
8
9
10
IO1, IO2, AUX1 and AUX2 are connected to the host smart card interface signals
depending on the configuration chosen. (Refer to the datasheet AT83C26)
Name
CCLK
INT
CRST
Not Connected
VSS
CLK
VSS
Not Connected
AUX2
RESET
Color
Brown
Red
Orange
Green
Blue
Velvet
Grey
Blank
Black
Yellow
#1
11
12
13
14
15
16
17
18
19
20
Name
AUX1
Not Connected
IO2
BY PASS
IO1
VSS
SCL
VCC
SDA
EVCC
AT89STK-09 User Guide
Color
Brown
Red
Orange
Yellow
Green
Blue
Velvet
Grey
Blank
Black