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41594B датащи(PDF) 15 Page - Microchip Technology

номер детали 41594B
подробное описание детали  8-Bit Flash Microcontroller with nanoWatt XLP Technology
PDF  372 Pages
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производитель  MICROCHIP [Microchip Technology]
домашняя страница  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

41594B датащи(HTML) 15 Page - Microchip Technology

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 2011-2012 Microchip Technology Inc.
Preliminary
DS41594B-page 15
PIC12LF1840T48A
3.0
MEMORY ORGANIZATION
There are three types of memory in PIC12LF1840T48A
devices: Data Memory, Program Memory and Data
EEPROM Memory(1).
• Program Memory
• Data Memory
- Core Registers
- Special Function Registers
- General Purpose RAM
- Common RAM
- Device Memory Maps
- Special Function Registers Summary
• Data EEPROM memory(1)
The following features are associated with access and
control of program memory and data memory:
• PCL and PCLATH
•Stack
• Indirect Addressing
3.1
Program Memory Organization
The enhanced mid-range core has a 15-bit program
counter capable of addressing a 32K x 14 program
memory space. Table 3-1 shows the memory sizes
implemented
for
the
PIC12LF1840T48A
family.
Accessing a location above these boundaries will cause
a wrap-around within the implemented memory space.
The Reset vector is at 0000h and the interrupt vector is
at 0004h (see Figure 3-1).
Note 1: The Data EEPROM Memory and the
method to access Flash memory through
the EECON registers is described in
Section 11.0 “Data EEPROM and Flash
Program Memory Control”.
TABLE 3-1:
DEVICE SIZES AND ADDRESSES
Device
Program Memory Space (Words)
Last Program Memory Address
PIC12LF1840T48A
4,096
0FFFh



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