73S8009C-DB Maxim Integrated Products, 73S8009C-DB Datasheet - Page 7

• Manufacturer Part Number: 73S8009C-DB
• Description: BOARD DEMO 73S8009C 32-QFN
• Manufacturer: Maxim Integrated Products

Specifications of 73S8009C-DB

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

UM_8009C_059
2 Connections
This section describes the 73S8009C 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. There is one power pin (Pin 1) and one ground pin (Pin 9).
Rev. 1.3
Pin
10
1
2
3
4
5
6
7
8
9
Pin Name
CMDVCC%
CMDVCC#
RSTIN
RDY
OFF_ACK
OFF_REQ
CS
N/C
GND
VDD
Figure 2: 73S8009C 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 73S8009C from V
Digital output. Request to the host system controller to turn
the 73S8009C off.
Chip Select – active high.
No Connect.
Ground.
System interface supply voltage and supply voltage for
companion controller circuitry.
Table 3: J4 Pin Descriptions
Function
73S8009C Demo Board User Manual
BAT
or V
PC
.
CC
.
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