DATAMATH CALCULATOR MUSEUM |
Additional Pictures
Changing the 4 AAA-sized
batteries of the TI-Nspire CAS with Touchpad needs the keyboard to be removed. |
The backside
of the TI-Nspire CAS with Touchpad features a cover to access the optional, rechargeable battery.
|
The internal
construction of the TI-Nspire CAS makes use of just 3 printed circuit boards
(PCB's), one for the gray-scale LC-Display and power supply, one for the computing unit and the keyboard. |
|
The frontside of the
PCB's reveal the construction of the 240 * 320 pixel gray-scale LC-Display, and the ARM9 based 32-bit RISC processor. |
|
The brain of the
TI-Nspire CAS is actually a System-on-Chip based on the ZEVIO
architecture from LSI Logic. We assume that the 208 pin housing hosts a 90 MHz ARM9 32-bit RISC processor. |
|
The TI-Nspire
CAS uses
two different memory chips, a 32M Bytes
NAND Flash-ROM, and 16M*16 SDRAM. The clock frequency of the SoC is 27 MHz. |
|
The TI-Nspire
CAS makes use of three highly integrated display drivers.
One Novatek NT7702 for the 240 rows (top) and two unidentified chips (bottom) for 160 columns, each. |
If you have additions to the above article please email: joerg@datamath.org.
© Joerg Woerner, March 14, 2010. No reprints without written permission.