Atmel T8 C5121 Series, User Manual

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Hardware Description
3-8 T8xC5121 Starter Kit User Guide
4186E–SCR–05/04
3.1 Description of
Jumpers
The following table sums up the configuration jumpers available on the board. Their
location is detailed in Figure 3-1.
Table 3-1. Configuration Jumpers
3.2 Description of
Switches
The following table sums up the switches available on the board. Their location is
detailed in Figure 3-1.
Table 3-2. Switches
Reference Type Designation Configuration Function
JP1 Jumper Board Vcc ON Demonstration board V
CC
Jumper
JP2 Solder P3.2 ON
External I2C SDA = P3.2 (1.2.0 Bootloader): Default
Configuration
JP3 Solder V
CC
PC — Demonstration board V
CC
power from RS232 Connection
JP4 Solder P3.2 — External I2C SCL = P3.2 (1.0.1 Bootloader)
JP5 Jumper Rx ON Isolate MAX232 to test EVCC control
JP6 Jumper Tx ON Isolate MAX232 to test EVCC control
JP7 Jumper R+ CPRES — Connect external CPRES pull-up resistor (internal by default)
JP8 Jumper + CPRES — V
CC
CPRES connection (CPRES high level detect)
JP9 Jumper - CPRES ON V
SS
CPRES connection
JP11 Jumper RST ON Isolate External Reset Switch
JP13 Jumper LED0 ON Isolate LED0
JP14 Jumper LED1 ON Isolate LED1
JP15 Jumper R- CPRES — Connect external pull-down resistor (CPRES high level detect)
JP16 Jumper Vpp — Card Vpp option connected to V
CC
JP17 Jumper MCU Vcc ON Microcontroller V
CC
Jumper
JP18 Solder P3.7 ON External I2C SCL=P3.7 (1.2.0 Bootloader): Default Configuration
JP19 Solder CLK EXT — External Clock connected to XTAL1
JP23 Solder P3.3 — External I2C SDA=P3.3 (1.0.1 Bootloader)
Reference Designation Function
SW2 RESET External Reset pushbutton
SW3 ON/OFF Board ON/OFF Switch
SW4 Smart Card Reader Connector
SW5 INT1 INT1 pushbutton
SW6 EA/INT1
- EA switch = 0 or 1
- INT1 switch to enable/disable INT1 pushbutton
SW7 CPRES Optional CPRES manual switch