AT83C26-ALTUL Atmel, AT83C26-ALTUL Datasheet - Page 14

• Manufacturer Part Number: AT83C26-ALTUL
• Description: IC SMART CARD READER 1/PM 48VQFP
• Manufacturer: Atmel

Specifications of AT83C26-ALTUL

• Controller Type: Smart Card Reader Interface
• Interface: 2-Wire
• Voltage - Supply: 3 V ~ 5.5 V
• Current - Supply: 65mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• For Use With: AT89STK-09 - EVAL BOARD FOR AT83C26
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

CRST controller
CRSTn for SCn interface (n=1, 2)
14
AT83C26
The CRSTn output pin is driven by the CARDRSTn bit value or by A1/RST pin.
Three modes are available:
•
•
•
Figure 4. Clock Block Diagram with Software Activation
Figure 5. CRSTn Block Diagram
If the ARTn bit is reset, CRSTn pin is driven by CARDRSTn bit.
If the ARTn bit is set, CRSTn pin is controlled and follows the “Automatic Reset Transition”
(see Activation sequence page 25).
A transparent mode with A1/RST pin.
A1/RST
A2/CK
CLK
CARDRSTn bit
Internal
oscillators
CARDRSTn bit
CKSn[2:0]
DCK[2:0]
tb delay
ARTn bit
CARDCKn bit
1
0
DC/DCA
and B
CKSTOPn bit
CRST_SELn bit
1
1
0
0
CRSTn
DCCLK
CCLKn
7511D–SCR–02/07