參數(shù)資料
型號(hào): MCF5270AB100
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Integrated Microprocessor Hardware Specification
中文描述: 集成的微處理器,硬件規(guī)格
文件頁數(shù): 4/40頁
文件大?。?/td> 863K
代理商: MCF5270AB100
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 2
Features
Freescale Semiconductor
4
3
Features
For a detailed feature list see the MCF5271 Reference Manual (MCF5271RM).
4
Signal Descriptions
This section describes signals that connect off chip, including a table of signal properties. For a more
detailed discussion of the MCF5271 signals, consult the
MCF5271 Reference Manual
(MCF5271RM).
4.1
Signal Properties
Table 2
lists all of the signals grouped by function. The “Dir” column is the direction for the primary
function of the pin. Refer to
Section 6, “Mechanicals/Pinouts and Part Numbers
,” for package diagrams.
NOTE
In this table and throughout this document a single signal within a group is
designated without square brackets (i.e., A24), while designations for
multiple signals within a group use brackets (i.e., A[23:21]) and is meant to
include all signals within the two bracketed numbers when these numbers
are separated by a colon.
NOTE
The primary functionality of a pin is not necessarily its default functionality.
Pins that are muxed with GPIO will default to their GPIO functionality.
Table 2. MCF5270 and MCF5271 Signal Information and Muxing
Signal Name
GPIO
Alternate 1 Alternate 2
Dir.
1
MCF5270
MCF5271
160 QFP
MCF5270
MCF5271
196 MAPBGA
Reset
RESET
I
83
N13
RSTOUT
O
82
P13
Clock
EXTAL
I
86
M14
XTAL
O
85
N14
CLKOUT
O
89
K14
Mode Selection
CLKMOD[1:0]
I
20,21
G5,H5
RCON
I
79
K10
External Memory Interface and Ports
A[23:21]
PADDR[7:5]
CS[6:4]
O
126, 125, 124
B11, C11, D11
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