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參數(shù)資料
| 型號(hào)： | MC68HC705BD3 |
| 廠商： | Motorola, Inc. |
| 英文描述： | 8-Bit Microcontroller Units (MCU).(8位微控制器) |
| 中文描述： | 8位微控制器單元（MCU）。（8位微控制器） |
| 文件頁(yè)數(shù)： | 53/112頁(yè) |
| 文件大小： | 676K |
| 代理商： | MC68HC705BD3 |
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MC68HC05BD3
MOTOROLA
7-7
M-BUS SERIAL INTERFACE
7
7.3.3
M-Bus Control Register (MCR)
Register bit definitions:
MEN - M-Bus Enable
1 (set)
–
M-Bus interface system enabled.
0 (clear) –
M-Bus interface system disabled.
MIEN - M-Bus Interrupt Enable
1 (set)
–
M-Bus interrupt enabled.
0 (clear) –
M-Bus interrupt disabled.
This bit enables the MIF (in MSR) for M-Bus interrupts.
MSTA - Master/Slave Select
1 (set)
–
M-Bus is set for master mode operation.
0 (clear) –
M-Bus is set for slave mode operation.
Upon reset, this bit is cleared. When this bit is changed from 0 to 1, a START signal is generated
on the bus, and the master mode is selected. When this bit is changed from 1 to 0, a STOP signal
is generated and the operation mode changes from master to slave. In master mode, a bit clear
immediately followed by a bit set of this bit generates a repeated START signal without generating
a STOP signal.
MTX - Transmit/Receive Mode Select
1 (set)
–
M-Bus is set for transmit mode.
0 (clear) –
M-Bus is set for receive mode.
TXAK - Acknowledge Enable
1 (set)
–
Do not send acknowledge signal.
0 (clear) –
Send acknowledge signal at 9th clock bit.
If cleared, an acknowledge signal will be sent out to the bus at the 9th clock bit after receiving one
byte of data. If set, no acknowledge signal response. This is an active low control bit.
Address
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
$0019
MEN
MIEN
MSTA
MTX
TXAK
0000 0000
TPG
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705BD3P | 制造商:Motorola 功能描述:MOTOROLA NXC4C |
| MC68HC705BD7P1 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MC68HC705C4ACP | 制造商:Freescale Semiconductor 功能描述: |
| MC68HC705C8AB | 功能描述:IC MCU 8K OTP 2.1MHZ 42-SDIP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 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(pán) 配用:MC56F8323EVME-ND - BOARD EVALUATION MC56F8323 |
| MC68HC705C8ACB | 制造商:Rochester Electronics LLC 功能描述:HCO5 CORE + 8K RAM + EPR - Bulk |
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