参数资料
型号: ADUC7129BSTZ126-RL
厂商: Analog Devices Inc
文件页数: 28/92页
文件大小: 0K
描述: IC DAS MCU ARM7 ADC/DDS 80-LQFP
产品培训模块: ARM7 Applications & Tools
Intro to ARM7 Core & Microconverters
Process Control
Direct Digital Synthesis Tutorial Series (1 of 7): Introduction
标准包装: 1
系列: MicroConverter® ADuC7xxx
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 41.78MHz
连通性: EBI/EMI,I²C,SPI,UART/USART
外围设备: PLA,POR,PWM,PSM,温度传感器,WDT
输入/输出数: 38
程序存储器容量: 126KB(63K x 16)
程序存储器类型: 闪存
RAM 容量: 8K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 10x12b; D/A 1x10b
振荡器型: 内部
工作温度: -40°C ~ 125°C
封装/外壳: 80-LQFP
包装: 标准包装
其它名称: ADUC7129BSTZ126-RLDKR
ADuC7128/ADuC7129
Rev. 0 | Page 34 of 92
Table 33. ADCCON MMR Bit Designations
Bit
Value
Description
12:10
ADC Clock Speed (fADC = FCORE, Conversion = 19 ADC Clocks + Acquisition Time).
000
fADC/1. This divider is provided to obtain 1 MSPS ADC with an external clock <41.78 MHz.
001
fADC/2 (default value).
010
fADC/4.
011
fADC/8.
100
fADC/16.
101
fADC/32.
9:8
ADC Acquisition Time (Number of ADC Clocks).
00
2 clocks.
01
4 clocks.
10
8 clocks (default value).
11
16 clocks.
7
Enable Conversion.
Set by user to enable conversion mode.
Cleared by user to disable conversion mode.
6
Reserved. This bit should be set to 0 by the user.
5
ADC Power Control.
Set by user to place the ADC in normal mode. The ADC must be powered up for at least 5 μs before it converts correctly.
Cleared by user to place the ADC in power-down mode.
Conversion Mode.
00
Single-ended Mode.
01
Differential Mode.
10
Pseudo Differential Mode.
4:3
11
Reserved.
Conversion Type.
000
Enable CONVST pin as a conversion input.
001
Enable Timer1 as a conversion input.
010
Enable Timer0 as a conversion input.
011
Single Software Conversion. Set to 000 after conversion. Bit 7 of ADCCON MMR should be cleared after starting a single
software conversion to avoid further conversions triggered by the CONVST pin.
100
Continuous Software Conversion.
101
PLA Conversion.
110
PWM Conversion.
2:0
Other
Reserved.
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