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參數(shù)資料
| 型號： | MC68HC11K1CFN2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PQCC84 |
| 封裝： | PLASTIC, LCC-84 |
| 文件頁數(shù)： | 35/80頁 |
| 文件大?。?/td> | 420K |
| 代理商： | MC68HC11K1CFN2 |
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M68HC11 K Series
MC68HC11KTS/D
MOTOROLA
35
Bit 7 — Not implemented
Always reads zero
G2DPC — General-Purpose Chip Select 2 Drives Program Chip Select
0 = CSGP2 does not affect CSPROG
1 = CSGP2 and CSPROG are connected to an OR gate and driven out CSPROG
G2POL — General-Purpose Chip Select 2 Polarity Select
0 = CSGP2 active low
1 = CSGP2 active high
G2AV — General-Purpose Chip Select 2 Address Valid Select
0 = Active during E high time
1 = Active during address valid time
G2SZA–G2SZD — General-Purpose Chip Select 2 Size
4.3.6 Examples of Memory Expansion Using Chip Selects
On the following two pages are examples of memory expansion schemes that use chip select signals
to simplify the interface to the external memory devices. Although schematics are not provided, careful
study of the memory map diagram for each example will reveal the simplicity with which an expanded
system can be created. Both examples require a minimum of external circuitry as well as very little pro-
gram code.
This example is a system consisting of the MCU and a single 27C512-type memory device. This system
uses one chip select and has one window containing eight banks of eight Kbytes each. In this example,
a total of 64 Kbytes is added to the address range of the MCU. Three of the expansion address lines
(XA[15:13]) are used. Register values particular to this example are given below the diagram.
G2SZx
Valid Bits
(MXGS2 = 0)
None
ADDR[15:11]
ADDR[15:12]
ADDR[15:13]
ADDR[15:14]
ADDR15
None
None
None
None
None
None
None
Valid Bits
(MXGS2 = 1)
None
G2A[18:11]
G2A[18:12]
G2A[18:13]
G2A[18:14]
G2A[18:15]
G2A[18:16]
G2A[18:17]
G2A18
None
None
None
None
A
0
0
0
0
0
0
0
0
1
1
1
1
B
0
0
0
0
1
1
1
1
0
0
0
0
C
0
0
1
1
0
0
1
1
0
0
1
1
D
0
1
0
1
0
1
0
1
0
1
0
1
Size (Bytes)
Disabled
2 K
4 K
8 K
16 K
32 K
64 K
128 K
256 K
512 K
Follow Window 1
Follow Window 2
Default to 512 K
1100–1111
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC11K1CFN3 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:HCMOS MICROCONTROLLER UNIT |
| MC68HC11K1CFN4 | 功能描述:IC MCU 640 EEPROM 4MHZ 84-PLCC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
| MC68HC11K1CFNE3 | 功能描述:8位微控制器 -MCU 8B MCU 768 RAM - EPP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| MC68HC11K1CFNE4 | 功能描述:8位微控制器 -MCU 8B MCU 768 RAM - EPP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) 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(fēng)格:SMD/SMT |
| MC68HC11K1CFNE4 | 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC |
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