參數(shù)資料
型號: MC68HC11F1MFN3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, 3 MHz, MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 106/162頁
文件大小: 4554K
代理商: MC68HC11F1MFN3
OPERATING MODES AND ON-CHIP MEMORY
MC68HC11F1
4-10
TECHNICAL DATA
Bit 3 — Not implemented
Always reads one
NOCOP — COP System Disable
0 = COP system enabled (forces reset on time-out)
1 = COP system disabled
Bit 1 — Not implemented
Always reads one
EEON — EEPROM Enable
In single-chip modes EEON is forced to one (EEPROM enabled).
0 = 512 bytes of EEPROM is disabled from the memory map
1 = 512 bytes of EEPROM is present in the memory map
4.3.2.2 INIT Register
The internal registers used to control the operation of the MCU can be relocated on 4-
Kbyte boundaries within the memory space with the use of INIT. This 8-bit special-pur-
pose register can change the default locations of the RAM and control registers within
the MCU memory map. It can be written only once within the first 64 E-clock cycles
after a reset. It then becomes a read-only register.
Table 4-4 EEPROM Mapping
EE[3:0]
EEPROM Position
0 0 0 0
$0E00 – $0FFF
0 0 0 1
$1E00 – $1FFF
0 0 1 0
$2E00 – $2FFF
0 0 1 1
$3E00 – $3FFF
0 1 0 0
$4E00 – $4FFF
0 1 0 1
$5E00 – $5FFF
0 1 1 0
$6E00 – $6FFF
0 1 1 1
$7E00 – $7FFF
1 0 0 0
$8E00 – $8FFF
1 0 0 1
$9E00 – $9FFF
1 0 1 0
$AE00 – $AFFF
1 0 1 1
$BE00 – $BFFF
1 1 0 0
$CE00 – $CFFF
1 1 0 1
$DE00 – $DFFF
1 1 1 0
$EE00 – $EFFF
1 1 1 1
$FE00 – $FFFF
INIT — RAM and I/O Mapping Register
$103D
Bit 7
654321
Bit 0
RAM3
RAM2
RAM1
RAM0
REG3
REG2
REG1
REG0
RESET:
0000000
1
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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