参数资料
型号: ADUC834BSZ
厂商: Analog Devices Inc
文件页数: 33/80页
文件大小: 0K
描述: IC ADC DUAL16/24BIT W/MCU 52MQFP
产品培训模块: Process Control
标准包装: 1
系列: MicroConverter® ADuC8xx
核心处理器: 8052
芯体尺寸: 8-位
速度: 12.58MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: POR,PSM,PWM,温度传感器,WDT
输入/输出数: 34
程序存储器容量: 62KB(62K x 8)
程序存储器类型: 闪存
EEPROM 大小: 4K x 8
RAM 容量: 2.25K x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.25 V
数据转换器: A/D 3x16b,4x24b; D/A 1x12b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 52-QFP
包装: 托盘
产品目录页面: 738 (CN2011-ZH PDF)
REV. A
ADuC834
–39–
Table XVII. PLLCON SFR Bit Designations
Bit
Name
Description
7
OSC_PD
Oscillator Power-Down Bit.
Set by user to halt the 32 kHz oscillator in power-down mode.
Cleared by user to enable the 32 kHz oscillator in power-down mode.
This feature allows the TIC to continue counting even in power-down mode.
6
LOCK
PLL Lock Bit. This is a read-only bit.
Set automatically at power-on to indicate 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 the PLL is not correctly tracking the crystal clock.
This may 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 ADuC834 wakes up from power-down,
user code may poll this bit, to wait for the PLL to lock. If LOCK = 0, then the PLL is not locked.
5
–––
Reserved for Future Use; Should Be Written with ‘0’
4
LTEA
Reading this bit returns the state of the external
EA pin latched at reset or power-on.
3
FINT
Fast Interrupt Response Bit.
Set by user enabling the response to any interrupt to be executed at the fastest core clock frequency,
regardless of the configuration of the CD2–0 bits (see below). After user code has returned from an
interrupt, the core resumes code execution at the core clock selected by the CD2–0 bits.
Cleared by user to disable the fast interrupt response feature.
2
CD2
CPU (Core Clock) Divider Bits.
1
CD1
This number determines the frequency at which the microcontroller core will operate.
0
CD0
CD2
CD1
CD0
Core Clock Frequency (MHz)
000
12.582912
001
6.291456
010
3.145728
011
1.572864 (Default Core Clock Frequency)
100
0.786432
101
0.393216
110
0.196608
111
0.098304
ON-CHIP PLL
The ADuC834 is 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 oper-
ate at this frequency, or at binary submultiples of it, to allow
power saving in cases where maximum core performance is not
PLLCON
PLL Control Register
SFR Address
D7H
Power-On Default Value
03H
Bit Addressable
No
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 crys-
tal oscillator frequency. The above choice of frequencies ensures
that the modulators and the core will be synchronous, regardless
of the core clock rate. The PLL control register is PLLCON.
相关PDF资料
PDF描述
VI-JVP-IY-F2 CONVERTER MOD DC/DC 13.8V 50W
VE-B3D-IY-F2 CONVERTER MOD DC/DC 85V 50W
AT91SAM9XE256-QU MCU ARM9 256K FLASH 208-PQFP
VI-JVN-IY-F4 CONVERTER MOD DC/DC 18.5V 50W
VI-JVM-IY-F2 CONVERTER MOD DC/DC 10V 50W
相关代理商/技术参数
参数描述
ADUC836 制造商:AD 制造商全称:Analog Devices 功能描述:MicroConverter, Dual 16-Bit-ADCs with Embedded 62 kB Flash MCU
ADUC836_02 制造商:AD 制造商全称:Analog Devices 功能描述:MicroConverter, Dual 16-Bit ADCs with Embedded 62 kB Flash MCU
ADUC836BCP 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
ADUC836BCPZ 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA,UART/USART 外围设备:欠压检测/复位,LED,POR,PWM,WDT 输入/输出数:16 程序存储器容量:4KB(4K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC(0.295",7.50mm 宽) 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND
ADUC836BCPZ-REEL 功能描述:IC MCU 62K FLASH ADC/DAC 56LFCSP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器, 系列:MicroConverter® ADuC8xx 标准包装:38 系列:Encore!® XP® 核心处理器:eZ8 芯体尺寸:8-位 速度:5MHz 连通性:IrDA,UART/USART 外围设备:欠压检测/复位,LED,POR,PWM,WDT 输入/输出数:16 程序存储器容量:4KB(4K x 8) 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:1K x 8 电压 - 电源 (Vcc/Vdd):2.7 V ~ 3.6 V 数据转换器:- 振荡器型:内部 工作温度:-40°C ~ 105°C 封装/外壳:20-SOIC(0.295",7.50mm 宽) 包装:管件 其它名称:269-4116Z8F0413SH005EG-ND