參數(shù)資料
型號(hào): C8051F236R
廠商: Silicon Laboratories Inc
文件頁數(shù): 61/146頁
文件大?。?/td> 0K
描述: IC 8051 MCU 8K FLASH 48TQFP
標(biāo)準(zhǔn)包裝: 1
系列: C8051F2xx
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SPI,UART/USART
外圍設(shè)備: 欠壓檢測(cè)/復(fù)位,POR,WDT
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 8KB(8K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 48-TQFP
包裝: 剪切帶 (CT)
其它名稱: 336-1013-1
C8051F2xx
Rev. 1.6
21
ADC data is continuously monitored by a programmable window detector, which interrupts the CPU when
data is within the user-programmed window. This allows the ADC to monitor key system voltages in back-
ground mode, without the use of CPU resources.
Figure 1.10. ADC Diagram
1.7.
Comparators
The MCU's have two on-chip voltage comparators. The inputs of the comparators are available at pack-
age pins as illustrated in Figure 1.11. Each comparator's hysteresis is software programmable via special
function registers (SFR's). Both voltage level and positive/negative going symmetry can be easily pro-
grammed by the user. Additionally, comparator interrupts can be implemented on either rising or falling-
edge output transitions. Please see 8.‘Comparators” on page 52 for details.
100ksps
SAR
ADC
+
-
Control & Data
SFR's
SFR Bus
32-to-1
AMUX
X
AIN0
AIN1
AIN31
Programmable
Gain Amp
VREF
..
.
AIN0-31 are port 0-3
pins -- any external
port pin may be configured as
an analog input
(only 22 input port pins on
'F221)
VDD
GND
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