參數(shù)資料
型號: DZPD6722VCCE
廠商: INTEL CORP
元件分類: 總線控制器
英文描述: ISA-to-PC-Card (PCMCIA) Controllers
中文描述: PCMCIA BUS CONTROLLER, PQFP208
封裝: LQFP-208
文件頁數(shù): 11/138頁
文件大?。?/td> 723K
代理商: DZPD6722VCCE
ISA-to-PC-Card (PCMCIA) Controllers
PD6710/
22
Datasheet
11
2.0
General Conventions
The following general conventions apply to this document.
Throughout this document,
PD67XX
means PD6710 and PD6722.
Bits within words and words within various memory spaces are generally numbered with a
0
(zero)
as the least-significant bit or word. For example, the least-significant bit of a byte is bit 0, while the
most-significant bit is bit 7.
In addition, number ranges for bit fields and words are presented with the most-significant value
first. Thus, when discussing a bit field within a register, the bit number of the most-significant bit is
written first, followed by a colon (:) and then the bit number of the least-significant bit; as in,
bits 7:0.
In this document, the names of the PD67XX internal registers are boldfaced. For example,
Chip
Revision
and
Power Control
are register names. The names of bit fields are written with initial
uppercase letters. For example, Card Power On and Battery Voltage Detect are bit field names.
2.1
Numbers and Units
The unit
Kbyte
designates 1024 bytes (2
10
). The unit
Mbyte
designates 1,048,576 bytes (2
20
). The
unit
Gbyte
designates 1,073,741,824 bytes (2
30
). The unit
Hz
designates hertz. The unit
kHz
designates 1000 Hz. The unit
MHz
designates 1,000,000 Hz. The unit
ms
designates millisecond.
The unit
μ
s
designates microsecond. The unit
ns
designates nanosecond. The unit
mA
designates
milliampere. The unit
V
immediately following a number designates volt.
Hexadecimal numbers are presented with all letters in uppercase and a lowercase
h
appended. For
example,
14h
and
03CAh
are hexadecimal numbers.
Binary numbers are enclosed in single quotation marks when in text. For example,
‘11’
is a binary
number.
Numbers not appended with an
h
nor enclosed by single quotation marks are decimal.
In addition, a capital letter
X
is used within numbers to indicate digits ignored by the PD67XX
within the current context. For example,
‘101XX01’
is a binary number with bits 3:2 ignored.
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