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參數(shù)資料
型號： ADUC845BCP8-3
廠商： ANALOG DEVICES INC
元件分類： 微控制器/微處理器
英文描述： MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
中文描述： 8-BIT, FLASH, 12.58 MHz, MICROCONTROLLER, QCC56
封裝： 8 X 8 MM, MO-220-VLLD-2, LFCSP-56
文件頁數(shù)： 60/108頁
文件大小： 1109K
代理商： ADUC845BCP8-3
ADuC845/ADuC847/ADuC848
ON-CHIP PLL (PLLCON)
The ADuC845/ADuC847/ADuC848 are intended for use with a
32.768 kHz watch crystal. A PLL locks onto a multiple (384) of
this to provide a stable 12.582912 MHz clock for the system.
The core can operate at this frequency or at binary submultiples
of it to allow power saving when maximum core performance is
not required. The default core clock is the PLL clock divided by
8 or 1.572864 MHz. The ADC clocks are also derived from the
PLL clock, with the modulator rate being the same as the crystal
oscillator frequency. The control register for the PLL is called
PLLCON and is described as follows.
Rev. A | Page 60 of 108
The 5 V parts can be set to a maximum core frequency of
12.58 MHz (CD2...0 = 000) while at 3 V, the maximum core
clock rate is 6.29 MHz (CD2...0 = 001). The CD bits should not
be set to 000b on the 3 V parts.
The 3 V parts are limited to a core clock speed of 6.29 MHz
(CD = 1).
PLLCON PLL Control Register
SFR Address:
Power-On Default:
Bit Addressable:
D7H
53H
No
Table 39. PLLCON PLL Control Register
Bit No.
Name
7
OSC_PD
Description
Oscillator Power-Down Bit.
If low, the 32 kHz crystal oscillator continues running in power-down mode.
If high, the 32.768 kHz oscillator is powered down.
When this bit is low, the seconds counter continues to count in power-down mode and can interrupt the CPU
to exit power-down. The oscillator is always enabled in normal mode.
PLL Lock Bit. This is a read-only bit.
Set automatically at power-on to indicate that the PLL loop is correctly tracking the crystal clock. After power-
down, this bit can be polled to wait for the PLL to lock.
Cleared automatically at power-on to indicate that the PLL is not correctly tracking the crystal clock. This
might be due to the absence of a crystal clock or an external crystal at power-on. In this mode, the PLL output
can be 12.58 MHz ± 20%. After the part wakes up from power-down, user code can poll this bit to wait for the
PLL to lock. If LOCK = 0, the PLL is not locked.
Not Implemented. Write Don’t Care.
EA Status. Read-only bit. Reading this bit returns the state of the external EA pin latched at reset or power-on.
Fast Interrupt Response Bit.
Set by the user to enable the response to any interrupt to be executed at the fastest core clock frequency.
Cleared by the user to disable the fast interrupt response feature.
CPU (Core Clock) Divider Bits. This number determines the frequency at which the core operates.
CD2
CD1
CD0
Core Clock Frequency (MHz)
0
0
0
12.582912
0
0
1
6.291456 (Maximum core clock rate allowed on the 3 V parts)
0
1
0
3.145728
0
1
1
1.572864 (Default core frequency)
1
0
0
0.786432
1
0
1
0.393216
1
1
0
0.196608
1
1
1
0.098304
6
LOCK
5
4
3
–––
LTEA
FINT
2, 1, 0
CD2, CD1, CD0
相關(guān)PDF資料
PDF描述
ADUC847BCP8-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP8-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC847BCP8-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP62-3 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
ADUC845BCP62-5 MicroConverter Multichannel 24-/16-Bit ADCs with Embedded 62 kB Flash and Single-Cycle MCU
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADUC845BCP8-5 制造商:Analog Devices 功能描述:10 CHANNEL 24 BIT DUAL ADC + FAST 8BIT UP - Trays
ADUC845BCPZ62-3 功能描述:IC MCU FLASH W/24BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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
ADUC845BCPZ62-5 功能描述:IC FLASH MCU W/24BIT ADC 56-CSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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
ADUC845BCPZ8-3 功能描述:IC MCU FLASH 24BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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
ADUC845BCPZ8-5 功能描述:IC MCU FLASH 24BIT ADC 56LFCSP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:MicroConverter® ADuC8xx 標準包裝: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
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