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| 型號： | ADUC832 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | MicroConverter, 12-Bit ADCs and DACs with Embedded 62 kBytes Flash MCU |
| 中文描述： | MicroConverter的，12位ADC和62 kBytes為嵌入式閃存MCU數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 55/80頁 |
| 文件大?。?/td> | 1311K |
| 代理商： | ADUC832 |
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REV. 0
ADuC832
–55–
Timer/Counter Operation Modes
The following paragraphs describe the operating modes for
Timer/Counter 2. The operating modes are selected by bits in the
T2CON SFR as shown in Table XXIII.
Table XXIII. T2CON Operating Modes
RCLK (or) TCLK
CAP2
TR2
Mode
0
0
1
X
0
1
X
X
1
1
1
0
16-Bit Autoreload
16-Bit Capture
Baud Rate
OFF
16-Bit Autoreload Mode
In Autoreload mode, there are two options, which are selected
by bit EXEN2 in T2CON. If EXEN2 = 0, then when Timer 2
rolls over it not only sets TF2 but also causes the Timer 2 registers
to be reloaded with the 16-bit value in registers RCAP2L and
RCAP2H, which are preset by software. If EXEN2 = 1, then
Timer 2 still performs the above, but with the added feature
that a 1-to-0 transition at external input T2EX will also trigger
the 16-bit reload and set EXF2. The Autoreload mode is illus-
trated in Figure 49.
16-Bit Capture Mode
In the Capture mode, there are again two options, which are
selected by bit EXEN2 in T2CON. If EXEN2 = 0, then Timer 2
is a 16-bit timer or counter that, upon overflowing, sets bit TF2,
the Timer 2 overflow bit, which can be used to generate an
interrupt. If EXEN2 = 1, then Timer 2 still performs the above,
but a l-to-0 transition on external input T2EX causes the current
value in the Timer 2 registers, TL2 and TH2, to be captured
into registers RCAP2L and RCAP2H, respectively. In addition, the
transition at T2EX causes bit EXF2 in T2CON to be set, and
EXF2, like TF2, can generate an interrupt. The Capture mode
is illustrated in Figure 50.
The baud rate generator mode is selected by RCLK = 1 and/or
TCLK = 1.
In either case, if Timer 2 is being used to generate the baud
rate, the TF2 interrupt flag will not occur. Therefore, Timer 2
interrupts will not occur so they do not have to be disabled. In
this mode the EXF2 flag, however, can still cause interrupts and
this can be used as a third external interrupt.
Baud rate generation will be described as part of the UART
serial port operation in the following pages.
CORE
CLK
*
12
T2
PIN
C/
T2 = 0
C/T2 = 1
TR2
CONTROL
TL2
(8 BITS)
TH2
(8 BITS)
RELOAD
TF2
EXF2
TIMER
INTERRUPT
EXEN2
CONTROL
TRANSITION
DETECTOR
T2EX
PIN
RCAP2L
RCAP2H
*
CORE CLK IS DEFINED BY THE CD BITS IN PLLCON
Figure 49. Timer/Counter 2, 16-Bit Autoreload Mode
TF2
CORE
CLK
*
12
T2
PIN
TR2
CONTROL
TL2
(8 BITS)
TH2
(8 BITS)
CAPTURE
EXF2
TIMER
INTERRUPT
EXEN2
CONTROL
TRANSITION
DETECTOR
T2EX
PIN
RCAP2L
RCAP2H
C/
T2 = 0
C/
T2 = 1
*
CORE CLK IS DEFINED BY THE CD BITS IN PLLCON
Figure 50. Timer/Counter 2, 16-Bit Capture Mode
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADUC832BCP | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V/5V 56-Pin LFCSP EP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.78MHZ 3.3/5V 56LFCSP - Bulk |
| ADUC832BCP-REEL | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3V/5V 56-Pin LFCSP EP T/R |
| ADUC832BCPZ | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:250 系列:LPC11Uxx 核心處理器:ARM? Cortex?-M0 芯體尺寸:32-位 速度:50MHz 連通性:I²C，Microwire，SPI，SSI，SSP，UART/USART，USB 外圍設(shè)備:欠壓檢測/復(fù)位，POR，WDT 輸入/輸出數(shù):40 程序存儲器容量:96KB（96K x 8） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 3.6 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 ~ 85°C 封裝/外殼:48-LQFP 包裝:托盤 其它名稱:568-9587 |
| ADUC832BCPZ-REEL | 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標(biāo)準(zhǔn)包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA，UART/USART 外圍設(shè)備:欠壓檢測/復(fù)位，LED，POR，PWM，WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB（4K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND |
| ADUC832BS | 制造商:Analog Devices 功能描述:MCU 8-Bit ADuC8xx 8052 CISC 62KB Flash 3.3V/5V 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:8BIT CISC 62KB FLASH 16.78MHZ 3.3/5V 52MQFP - Bulk 制造商:Analog Devices 功能描述:8BIT MCU +12BIT ADC LQFP52 832 |
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