CLIO Theory of Operation
Theory of Operation
1. T
HEORY OF
O
PERATION
This chapter provides detailed descriptions of CLIO components and their architecture,
layout, and function.
1.1. B
LOCK
D
IAGRAM
CLIO hardware is laid out as follows:
B a c k li g h t
V r 4 1 1 1
S e r i a l P o r t
F I R
6 3 K e y
K e yb o a r d
M o d e m
( D A A )
T o u c h P a n e l
6 4 0 x 4 8 0
C o l o r S T N
L C D
S E D 1 3 5 4 L C D
C o n tr o lle r
V G - 4 6 9
C o n tr o lle r
P C M C I A
C o m p a c t
F l a s h
R O M
R A M
S p e a k e r
M ic
A u d io P o w e r
M a in P o w e r
P C M C I A P o w e r
S ys te m P o w e r
L C D P o w e r
M o d e m P o w e r
2 5 6 K
V id e o
B u ffe r
1.2. CPU
The CLIO uses the VR4111 MIPS CPU running at various speeds depending on how it is
configured. Refer to the following table:
CLKSEL [2 . . 0]
CPU Core Freq.
BUSCLK Freq.
000 49.1MHz
6.13
001 62.1MHz
5.17
010 65.4MHz
5.45
011 69.3MHz
5.77
100* 78.5MHz
6.54
1-1
The information contained in this document is confidential and the sole property of Vadem Inc. Written
permission must be obtained to reprint or use any of this information.
AUTHORED BY ANTHONY HERNANDEZ - (415)786-2081 - [email protected]
