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參數(shù)資料
| 型號(hào)： | MC68HCP11A1MFN2 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | HCMOS Single-Chip Microcontroller |
| 中文描述： | 8-BIT, 2 MHz, MICROCONTROLLER, PQCC52 |
| 封裝： | PLASTIC, LCC-52 |
| 文件頁(yè)數(shù)： | 33/158頁(yè) |
| 文件大?。?/td> | 776K |
| 代理商： | MC68HCP11A1MFN2 |
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MC68HC11A8
TECHNICAL DATA
ON-CHIP MEMORY
MOTOROLA
3-7
3
EELAT — EEPROM Latch Control
0 = EEPROM Address and Data Configured for Read Mode
1 = EEPROM Address and Data Configured for Programming/Erasing
EEPGM — EEPROM Programming Voltage Enable
0 = Programming Voltage Switched Off
1 = Programming Voltage Turned On
If an attempt is made to set both the EELAT and EEPGM bits in the same write cycle,
neither will be set. If a write to an EEPROM address is performed while the EEPGM
bit is set, the write is ignored and the programming operation currently in progress is
not disturbed. These two safeguards were included to prevent accidental EEPROM
changes in cases of program runaway. Mask sets A38P, A49N, and date codes before
86xx did not have these safeguards.
3.5.2 Programming/Erasing Internal EEPROM
The EEPROM programming and erasure process is controlled by the PPROG regis-
ter. The following paragraphs describe the various operations performed on the EE-
PROM and include example program segments to demonstrate programming and
erase operations.
These program segments are intended to be simple straightforward examples of the
sequences needed for basic program and erase operations. There are no special re-
strictions on the address modes used and bit manipulation instructions may be used.
Other MCU operations can continue to be performed during EEPROM programming
and erasure provided these operations do not include reads of data from EEPROM
(the EEPROM is disconnected from the read data bus during EEPROM program and
erase operations). The subroutine DLY10 used in these program segments is not
shown but can be any set of instructions which takes ten milliseconds.
3.5.2.1 Read
For the read operation the EELAT bit in the PPROG register must be clear. When this
bit is cleared, the remaining bits in the PPROG register have no meaning or effect, and
the EEPROM may be read as if it were a normal ROM.
3.5.2.2 Programming
During EEPROM programming, the ROW and BYTE bits are not used. If the E clock
frequency is 1 MHz or less, the CSEL bit in the OPTION register must be set. Recall
that in this EEPROM, zeros must be erased by a separate erase operation before pro-
gramming. The following program segment demonstrates how to program an EE-
PROM byte.
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| MC68HCP11A1MP2 | HCMOS Single-Chip Microcontroller |
| MC68HCP11A1VFN2 | HCMOS Single-Chip Microcontroller |
| MC68HCP11A1VP2 | HCMOS Single-Chip Microcontroller |
| MC68HC11A8VCFN2 | HCMOS Single-Chip Microcontroller |
| MC68HC11A8VCFU2 | HCMOS Single-Chip Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HCP11E0CP2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC68HCP11E0FN | 功能描述:MICROCONTROLLER MCU 8ADC 3MHC RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC11 標(biāo)準(zhǔn)包裝:250 系列:56F8xxx 核心處理器:56800E 芯體尺寸:16-位 速度:60MHz 連通性:CAN，SCI，SPI 外圍設(shè)備:POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):21 程序存儲(chǔ)器容量:40KB（20K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:6K x 16 電壓 - 電源 (Vcc/Vdd):2.25 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 6x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:48-LQFP 包裝:托盤 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| MC68HCP11E0FNE | 功能描述:8位微控制器 -MCU 8B MCU 512RAM COP A/D 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 |
| MC68HCP11E1CFNE2 | 功能描述:8位微控制器 -MCU 8B MCU 512 BYTES RAM 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 |
| MC68HCP11E1CFNE3 | 功能描述:8位微控制器 -MCU 8B MCU 512 BYTES RAM 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 |
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