參數資料
型號: MC68L11F1CFN3
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, EEPROM, MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數: 111/174頁
文件大小: 981K
代理商: MC68L11F1CFN3
MC68HC11F1
OPERATING MODES AND ON-CHIP MEMORY
MOTOROLA
TECHNICAL DATA
4-3
4.2.2 Memory Map
Figure 4-1 MC68HC11F1 Memory Map
4.2.2.1 RAM
The MC68HC11F1 microcontroller has 1024 bytes of fully static RAM that can be used
for storing instructions, variables, and temporary data during program execution. RAM
can be placed at any 4-Kbyte boundary in the 64 Kbyte address space by writing an
appropriate value to the INIT register.
RAM is initially located at $0000 in the memory map upon reset. Direct addressing
mode can access the first 256 locations of RAM using a one-byte address operand.
Direct mode accesses save program memory space and execution time.
The on-chip RAM is a fully static memory. RAM contents can be preserved during pe-
riods of processor inactivity by either of two methods, both of which reduce power con-
sumption.
NOTES:
1. RAM can be remapped to any 4-Kbyte boundary ($x000). "x" represents the value contained in
RAM[3:0] in the init register.
2. The register block can be remapped to any 4-Kbyte boundary ($y000). "y" represents the value contained in
reg[3:0] in the init register.
3. Special test mode vectors are externally addressed.
4. In special test mode the address locations $zD00–$zDFF are not externally addressable.
"z" represents the value of bits EE[3:0] in the config register.
5. EEPROM can be remapped to any 4-Kbyte boundary ($z000). "z" represents the value contained in
EE[3:0] in the config register.
zE00
EXPANDED
512 BYTES EEPROM 5
FFC0
FFFF
NORMAL MODE
INTERRUPT
VECTORS
1024 BYTES RAM 1
SINGLE
CHIP
BOOTSTRAP
SPECIAL
TEST
EXT
$0000
$1000
$FFFF
x000
y000
y05F
BF00
zFFF
BFC0
BFFF
SPECIAL MODE 3
INTERRUPT
VECTORS
EXT
x3FF
96-BYTE REGISTER BLOCK 2
$FE00
256 BYTES BOOTSTRAP ROM
zD00
256 BYTES RESERVED 4
(SPECIAL TEST MODE ONLY)
zDFF
EXT
相關PDF資料
PDF描述
MC68HC11F1CFN3R2 8-BIT, EEPROM, 3 MHz, MICROCONTROLLER, PQCC68
MC68HC11F1CFN3R2 8-BIT, EEPROM, 3 MHz, MICROCONTROLLER, PQCC68
MC68SZ328VH66V 66 MHz, RISC PROCESSOR, PBGA196
MC74F2970N DRAM CONTROLLER, PDIP24
MC908GP32CFBR2 8-BIT, FLASH, 8.2 MHz, MICROCONTROLLER, PQFP44
相關代理商/技術參數
參數描述
MC68L11F1CFNE3 功能描述:8位微控制器 -MCU 8B MCU 1KRAM 512BYTES RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68L11K1FN2R2 制造商:Motorola Inc 功能描述:
MC68L11K1FUE2 功能描述:8位微控制器 -MCU 8B MCU L-VOLTAGE-EPP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT
MC68L711E9FN2 制造商:Rochester Electronics LLC 功能描述:- Bulk
MC68L711E9FNE2 功能描述:8位微控制器 -MCU 8B MCU LO VOLTAGE RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數據總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數據 RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風格:SMD/SMT