參數(shù)資料
型號(hào): CL-PS7111-VC-A
廠商: CIRRUS LOGIC INC
元件分類: 外設(shè)及接口
英文描述: Low-Power System-on-a-Chip
中文描述: MULTIFUNCTION PERIPHERAL, PQFP208
封裝: VQFP-208
文件頁數(shù): 8/105頁
文件大?。?/td> 1207K
代理商: CL-PS7111-VC-A
September 1997
7
PRELIMINARY DATA BOOK v2.0
CONVENTIONS
CL-PS7111
Low-Power System-on-a-Chip
Units of Measurement
General Conventions
Hexadecimal numbers are presented with all letters in uppercase and a lowercase happended. For exam-
ple, 14h and 03CAh are hexadecimal numbers. Binary numbers are enclosed in single quotation marks
when in text (for example, ‘11’ designates a binary number). Numbers not indicated by an hor quotation
marks are decimal.
Registers are referred to by acronym, as listed in
Table 5-1
and
Table 5-2
, with bits listed in brackets MSB-
to-LSB separated by a colon (:) (for example, CODR[7:0]) or LSB-to-MSB separated by a hyphen (for
example, CODR[0–2]).
The use of ‘tbd’ indicates values that are ‘to be determined’, ‘n/a’ designates ‘not available’, and ‘n/c’ indicates
a pin that is a ‘no connect’.
Pin Description Conventions
Abbreviations used for signal directions in
Chapter 2
are listed in the following table:
Symbol
Unit of Measure
°
C
degree Celsius
Hz
hertz (cycle per second)
Kbyte
kilobyte (1,024 bytes)
kHz
kilohertz
k
kilohm
Mbps
megabits (1,048,576 bits) per second
Mbyte
megabyte (1,048,576 bytes)
MHz
megahertz (1,000 kilohertz)
μ
F
microfarad
μ
A
microampere
μ
s
microsecond (1,000 nanoseconds)
mA
milliampere
ms
millisecond (1,000 microseconds)
ns
nanosecond
V
volt
W
watt
Abbreviation
Direction
I
Input
O
Output
I/O
Input or output
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