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參數(shù)資料
| 型號(hào)： | MC68HC705SR3CP |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP40 |
| 封裝： | PLASTIC, DIP-40 |
| 文件頁(yè)數(shù)： | 46/96頁(yè) |
| 文件大小： | 3045K |
| 代理商： | MC68HC705SR3CP |
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Freescale
6-4
MC68HC05SR3
TIMER
6
PR2:PR0
These three bits enable the program to select the division ratio of the prescaler. On reset, these
three bits are set to “100”, which corresponds to a division ratio of 16.
6.3
Timer Data Register (TDR)
The TDR is a read/write register which contains the current value of the 8-bit count-down timer
counter when read. Reading this register does not disturb the counter operation.
6.4
Operation during Low Power Modes
The timer ceases counting in STOP mode. When STOP mode is exited by an external interrupt
(IRQ or IRQ2), the internal oscillator will resume its operation, followed by internal processor
stabilization delay. The timer is then cleared to zero and resumes its operation. The TIF bit in the
TCR will be set. To avoid generating a timer interrupt when exiting STOP mode, it is recommended
to set the TIM bit prior entering STOP mode. After exiting STOP mode TIF bit can then be cleared.
The CPU clock halts during the WAIT mode, but the timer remains active. If the interrupts are
enabled, the timer interrupt will cause the processor to exit the WAIT mode.
PR2
PR1
PR0
Divide Ratio
00
0
1
00
1
2
01
0
4
01
1
8
10
0
16
10
1
32
11
0
64
11
1
128
Address
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
$08
TD7
TD6
TD5
TD4
TD3
TD2
TD1
TD0
1111 1111
TPG
48
05SR3.Book Page 4 Thursday, August 4, 2005 1:08 PM
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PDF描述 |
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| MC68HC705SR3CFB | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PQFP44 |
| MC68HC705SR3CB | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP42 |
| MC68HC05SR3CB | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP42 |
| MC68HC05SR3CP | 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP40 |
| MC68HC705SR3B | 8-BIT, OTPROM, 2 MHz, MICROCONTROLLER, PDIP42 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68HC705SR3CPE | 功能描述:8位微控制器 -MCU 8B MCU 192 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 |
| MC68HC705SR3CPE | 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC |
| MC68HC705SR3PE | 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:HC05 標(biāo)準(zhǔn)包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，SPI，UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位，POR，PWM，WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB（16K x 16） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱:ATMEGA324P-B15AZCT |
| MC68HC706P6ACDW | 制造商:Motorola Inc 功能描述: |
| MC68HC708MP16CFU | 制造商:MAJOR 功能描述: |
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