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參數資料
型號： MC68HC916X1
廠商： Motorola, Inc.
英文描述： 16-Bit Modular Microcontroller(16位模塊化微控制器)
中文描述： 16位微控制器模塊（16位模塊化微控制器）
文件頁數： 133/172頁
文件大小： 1035K
代理商： MC68HC916X1
MC68HC916X1
MC68HC916X1TS/D
MOTOROLA
133
10 Block-Erasable Flash EEPROM
The 2 Kbyte block-erasable flash EEPROM module (BEFLASH) serves as nonvolatile, fast-access
ROM-emulation memory. The module can be used for program code that must either execute at
high speed or is frequently executed, such as operating system kernels and standard subroutines,
or it can be used for static data that is read frequently. The module can also be configured to provide
bootstrap vectors for system reset.
10.1 Overview
The BEFLASH module consists of a control register block that occupies a fixed position in MCU
address space and a 2 Kbyte flash EEPROM array that can be mapped to any 2 Kbyte boundary
in MCU address space. The array can be configured to reside in both program and data space, or
in program space alone.
The flash EEPROM array can be read as either bytes, words, or long-words. The module responds
to back-to-back IMB accesses, providing two bus cycle (four system clocks) access for aligned long
words. The module can also be programmed to insert up to three wait states per access, to accom-
modate migration from slower external development memory without re-timing the system.
Both the array and the individual control bits are programmable and erasable under software con-
trol. Program/erase voltage must be supplied via the external V
FPE2K
pin. Data is programmed in
byte or word aligned fashion. The module supports both block and bulk erase modes, and has a
minimum program/erase life of 100 cycles. Hardware interlocks protect stored data from corruption
if the program/erase voltage to the BEFLASH EEPROM array is enabled accidently. The BEFLASH
array is enabled/disabled by a combination of DATA15 and the STOP shadow bit after reset.
Table 69
shows the BEFLASH address map.
1. Y = M111, where M is the logic state of the module mapping (MM) bit in the SCIMCR.
Table 69 BEFLASH Address Map
Address
$YFF7A0
1
$YFF7A2
$YFF7A4
$YFF7A6
$YFF7A8
$YFF7AA
$YFF7AC
$YFF7AE
$YFF7B0
$YFF7B2
$YFF7B4
$YFF7B6
$YFF7B8
$YFF7BA
$YFF7BC
$YFF7BE
15
8 7
0
BEFLASH MODULE CONFIGURATION REGISTER (BFEMCR)
BEFLASH TEST REGISTER (BFETST)
BEFLASH BASE ADDRESS HIGH REGISTER (BFEBAH)
BEFLASH BASE ADDRESS LOW REGISTER (BFEBAL)
BEFLASH CONTROL REGISTER (BFECTL)
RESERVED
RESERVED
RESERVED
BEFLASH BOOTSTRAP WORD 0 (BFEBS0)
BEFLASH BOOTSTRAP WORD 1 (BFEBS1)
BEFLASH BOOTSTRAP WORD 2 (BFEBS2)
BEFLASH BOOTSTRAP WORD 3 (BFEBS3)
RESERVED
RESERVED
RESERVED
RESERVED
相關PDF資料
PDF描述
MC68HC9D60 Advance Information - Rev 4.0
MC68HC12D60 Advance Information - Rev 4.0
MC68HCL05C8A 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HSC05C8A 8-Bit Microcontroller Units (MCU).(8位微控制器)
MC68HCP11 8-Bit Microcontrollers
相關代理商/技術參數
參數描述
MC68HC98LJ12CFU 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述:
MC68HC98LJ12CFUE 功能描述:8位微控制器 -MCU 8 BIT MCU 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
MC68HC9S08RC60 L33R DIE 制造商:Motorola Inc 功能描述:
MC68HCP11A1CFN3 功能描述:8位微控制器 -MCU 8-bit HCMOS single chip MCU 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
MC68HCP11A1FN 制造商:MOTORALA 功能描述:
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