UM_8009C_059
73S8009C Demo Board User Manual
Rev. 1.3
11
Item #
(Figure 3)
Electrical
Schematic &
PCB Silkprint
Reference
Name
Use
15
18
JP6
JP5
Card Polarity
detect select
The setting of these two jumpers depends on the
type of smart card connector used (whether switch
is nominally open or closed), and which of the card
presence switch input of the 73S8009C is used. In
this demo board, the switch is nominally open. The
jumpers can be set in one of two ways:
1. Default setting: Use of PRES: JP5 must be
set to PRES, and JP6 set to VDD
2. Alternative use: Use of
PRES
: JP5 must be
set to PREB, and JP6 set to GND
Note: see board errata in the appendix for JP6
16
J5
Smart Card
Connector
Smart card connector.
When inserting a card (credit card size format),
contacts must face up.
17
JP7
CS Disable
CS Disable Jumper. Insertion of jumper disables
the 73S8009CN. The state of the
CMDVCC#
,
CMDVCC%
and RSTIN inputs will be latched and
the I/OUC, AUX1UC and AUX2UC are tri-stated.
The
OFF
and RDY outputs are also tri-stated.
19
TP9
Vp Test Point
Test point to monitor the internal intermediate
voltage regulator. This regulator output takes the
VPC voltage and step it up to more than 5 V (if
necessary) as the input source for the VCC and
VDD output regulators.
20
J3
Board VPC_IN
supply, smart
card data signals
and
OFF
Connector that supplies the VPC input supply
voltage, the smart card data interface signals and
the
OFF
interrupt output.
