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SC312XDP512F0MPVR датащи(PDF) 1072 Page - Freescale Semiconductor, Inc

номер детали SC312XDP512F0MPVR
подробное описание детали  HCS12X Microcontrollers
PDF  1348 Pages
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производитель  FREESCALE [Freescale Semiconductor, Inc]
домашняя страница  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

SC312XDP512F0MPVR датащи(HTML) 1072 Page - Freescale Semiconductor, Inc

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Chapter 26 4 Kbyte EEPROM Module (S12XEETX4KV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
1074
Freescale Semiconductor
26.1.4
Block Diagram
A block diagram of the EEPROM module is shown in Figure 26-1.
Figure 26-1. EETX4K Block Diagram
26.2
External Signal Description
The EEPROM module contains no signals that connect off-chip.
26.3
Memory Map and Register Definition
This section describes the memory map and registers for the EEPROM module.
26.3.1
Module Memory Map
The EEPROM memory map is shown in Figure 26-2. The HCS12X architecture places the EEPROM
memory addresses between global addresses 0x13_F000 and 0x13_FFFF. The EPROT register, described
in Section 26.3.2.5, “EEPROM Protection Register (EPROT)”, can be set to protect the upper region in the
EEPROM memory from accidental program or erase. The EEPROM addresses covered by this protectable
EETX4K
EEPROM
2K * 16 Bits
sector 0
sector 1
sector 1023
Oscillator
Clock
Divider
Clock
Command
Interrupt
Request
EECLK
Protection
Command Pipeline
cmd2
addr2
data2
cmd1
addr1
data1
Registers
EEPROM
Interface



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