73S8009CN-DB Maxim Integrated Products, 73S8009CN-DB Datasheet - Page 7

• Manufacturer Part Number: 73S8009CN-DB
• Description: BOARD DEMO FOR 73S8009CN
• Manufacturer: Maxim Integrated Products

Specifications of 73S8009CN-DB

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UM_8009CN_060
2 Connections
This section describes the 73S8009CN Demo Board external connectors. All the digital signals and
power supply connections are made through 10-pin header connectors labeled J2 and J4 in Figure 2.
Table 3 describes the pins for the J4 connector. Reset is on pin 3. There are two power pins on pins 1
and 2 and one ground pin on pin 9.
Rev. 1.1
Pin
10
1
2
3
4
5
6
7
8
9
Pin Name
CMDVCC%
CMDVCC#
RSTIN
RDY
OFF_ACK
OFF_REQ
CS
SCIOEN
GND
VDD
Figure 2: 73S8009CN Demo Board External Connectors
Controls the turn-on, output voltage value, and turn-off of V
Controls the card reset signal.
Indicates when smart card power supply is stable and ready.
Setting OFF_ACK high powers “off” all analog functions and disconnects the
73S8009CN from V
Digital output. Request to the host system controller to turn the 73S8009CN off.
Chip Select – active high.
Smart card to enable. When set high, C4/C8 signals are routed to AUX1UC
and AUX2UC respectively. When set low, C4/C8 are routed to DP and DM
respectively. AUX1UC and AUX2UC are tri-stated.
Ground.
System interface supply voltage and supply voltage for companion controller
circuitry.
Table 3: J4 Pin Descriptions
PC
.
Function
73S8009CN Demo Board User Manual
CC
.
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