XE8805AMI028LF Semtech, XE8805AMI028LF Datasheet - Page 72
XE8805AMI028LF
Manufacturer Part Number
XE8805AMI028LF
Description
IC DAS 16BIT FLASH 8K MTP 64LQFP
Manufacturer
Semtech
Datasheet
1.XE8805AMI028LF.pdf
(156 pages)
Specifications of XE8805AMI028LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
512 x 8
Interface
UART, USRT
Number Of I /o
24
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-LQFP
Supply Voltage Range
2.4V To 5.5V
Operating Temperature Range
-40°C To +85°C
Digital Ic Case Style
LQFP
No. Of Pins
64
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
XE8805AMI028LF
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
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13.1 Features
•
•
13.2 Overview
Port C (PC) is a general purpose 8 bit input/output digital port.
Figure 13-1 shows its structure.
13.3 Port C (PC) Operation
The direction of each bit within Port C (input or output) can be individually set by using the RegPCDir register. If
PCDir[x] = 1, the corresponding Port C pin becomes an output. After reset, Port C is in input mode (PCDir[x] are
reset to 0).
Output mode:
Data is stored in RegPCOut prior to output at Port C.
Input mode:
The status of Port C is available in RegPCIn (read only). Reading is always direct - there is no digital debounce
function associated with Port C. In case of possible noise on input signals, a software debouncer or an external
filter must be realized.
By default after reset, Port C is configured as an input port.
13.4 Register map
There are three registers in the Port C (PC), namely RegPCIn, RegPCOut and RegPCDir. Table 13-1 to Table
13-3 show the mapping of control bits and functionality of these registers.
Table 13-1. RegPCIn
© Semtech 2006
Pos.
7-0
Input / output port, 8 bits wide
Each bit can be set individually for input or output
RegPCIn
PCIn
Rw
r
Reset
-
Figure 13-1: structure of Port C
Port C
Description
8
8
8
pad PC input value
13-2
RegPCOut
RegPCDir
RegPCIn
XE8805/05A
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