參數(shù)資料
型號: C8051F019R
廠商: Silicon Laboratories Inc
文件頁數(shù): 57/154頁
文件大?。?/td> 0K
描述: IC 8051 MCU 16K FLASH 48TQFP
標(biāo)準(zhǔn)包裝: 1
系列: C8051F018
核心處理器: 8051
芯體尺寸: 8-位
速度: 25MHz
連通性: SMBus(2 線/I²C),SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,溫度傳感器,WDT
輸入/輸出數(shù): 16
程序存儲器容量: 16KB(16K x 8)
程序存儲器類型: 閃存
RAM 容量: 1.25K x 8
電壓 - 電源 (Vcc/Vdd): 2.8 V ~ 3.6 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
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: 336-1049-1
C8051F018
C8051F019
1.5.
Programmable Counter Array
The C8051F018/9 have an on-board Programmable Counter/Timer Array (PCA) in addition to the four 16-bit
general-purpose counter/timers.
The PCA consists of a dedicated 16-bit counter/timer timebase with 5
programmable capture/compare modules. The timebase gets its clock from one of four sources: the system clock
divided by 12, the system clock divided by 4, Timer 0 overflow, or an External Clock Input (ECI).
Each capture/compare module can be configured to operate in one of four modes: Edge-Triggered Capture,
Software Timer, High Speed Output, or Pulse Width Modulator. The PCA Capture/Compare Module I/O and
External Clock Input are routed to the MCU Port I/O via the Digital Crossbar.
Figure 1.8. PCA Block Diagram
16-Bit Counter/Timer
Capture/Compare
Module 1
Capture/Compare
Module 0
Capture/Compare
Module 2
Capture/Compare
Module 3
Capture/Compare
Module 4
C
EX1
System
Clock
/12
T0 Overflow
EC
I
Crossbar
C
EX2
C
EX3
C
EX4
C
EX0
Port I/O
/4
1.6.
Serial Ports
The C8051F0018/9 include a Full-Duplex UART, SPI Bus, and I2C/SMBus. Each of the serial buses is fully
implemented in hardware and makes extensive use of the CIP-51’s interrupts, thus requiring very little intervention
by the CPU. The serial buses do not “share” resources such as timers, interrupts, or Port I/O, so any or all of the
serial buses may be used together.
15
Rev. 1.2
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