参数资料
型号: C8051F221R
厂商: Silicon Laboratories Inc
文件页数: 86/146页
文件大小: 0K
描述: IC 8051 MCU 8K FLASH 32LQFP
标准包装: 1
系列: C8051F2xx
核心处理器: 8051
芯体尺寸: 8-位
速度: 25MHz
连通性: SPI,UART/USART
外围设备: 欠压检测/复位,POR,WDT
输入/输出数: 22
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 3.6 V
数据转换器: A/D 22x8b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 32-LQFP
包装: 剪切带 (CT)
其它名称: 336-1009-1
C8051F2xx
44
Rev. 1.6
SFR Definition 6.3. ADC0CN: ADC Control (‘F220/1/6 and ‘F206)
Bit7:
ADCEN: ADC Enable Bit
0: ADC Disabled. ADC is in low power shutdown.
1: ADC Enabled. ADC is active and ready for data conversions.
Bit6:
ADCTM: ADC Track Mode Bit
0: When the ADC is enabled, tracking is continuous unless a conversion is in process
1: Tracking Defined by ADSTM1–0 bits
ADSTM1–0:
00: Tracking starts with the write of 1 to ADBUSY and lasts for 3 SAR clocks
01: RESERVED
10: RESERVED
11: Tracking started by the overflow of Timer 2 and last for 3 SAR clocks
Bit5:
ADCINT: ADC Conversion Complete Interrupt Flag (cleared by software).
0: ADC has not completed a data conversion since the last time this flag was cleared
1: ADC has completed a data conversion
Bit4:
ADBUSY: ADC Busy Bit
Read
0: ADC Conversion complete or no valid data has been converted since a reset. The falling
edge of ADBUSY generates an interrupt when enabled.
1: ADC Busy converting data
Write
0: No effect
1: Starts ADC Conversion if ADSTM1–0 = 00b
Bits3–2: ADSTM1–0: ADC Start of Conversion Mode Bits
00: ADC conversion started upon a write of 1 to ADBUSY
01: RESERVED
10: RESERVED
11: ADC conversions initiated on overflows of Timer 2
Bit1:
ADWINT: ADC Window Compare Interrupt Flag
0: ADC Window Comparison Data match has not occurred
1: ADC Window Comparison Data match occurred
Bit0:
ADLJST: ADC Left Justify Data Bit
0: Data in ADC0H:ADC0L registers are right justified.
1: Data in ADC0H:ADC0L registers are left justified.
R/W
Reset Value
ADCEN
ADCTM
ADCINT
ADBUSY ADSTM1 ADSTM0 ADWINT
ADLJST
00000000
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
SFR Address:
(bit addressable)
0xE8
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