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(a)
(b)
Figure 24.3
(a) The TILT (TINI Initial Learning Tool) board from Systronix includes a
SIMM expansion slot. Here it is plugged with the Imsys SNAP card (the vertical
card). The TILT includes an RS232 connector, Ethernet RJ45, and other interfaces.
(b) The Javelin Stamp evaluation board for the Parallax Javelin Stamp includes a
breadboard and serial ports - one for programming the module and the other for I/O
with programs running in the module. (Tilt photo by Th. Lindblad, Javelin photo
courtesy Parallax Corp.)
a standalone Java computer or fit into a PC/104 stack. Systronix offers a Java
module called the JStamp (not to be confused with the Javelin Stamp mentioned
below) that comes in a 40pin DIP module and uses the aJile aJ-80 Java processor
chip [32].
24.8.4 Parallax Javelin Stamp
The Javelin is derived from the popular Basic Stamp series of microcontrollers
but it runs programs written in Java instead of Basic [16,17]. The Javelin (see
Figure 24.1) comes as a 24-pin DIP that holds an interpreter chip that runs a
subset of the Java instruction set. The module includes 32 KB of non-volatile
EEPROM and 32 KB of RAM. Programs are stored in the EEPROM and loaded
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