參數(shù)資料
型號(hào): AT85C51SND3B1-RTTUL
廠商: Atmel
文件頁(yè)數(shù): 83/119頁(yè)
文件大?。?/td> 0K
描述: IC DECODER/ENCODER DGTL 100-LQFP
標(biāo)準(zhǔn)包裝: 90
類型: 音頻編碼器/解碼器
應(yīng)用: 移動(dòng)電話,手機(jī),視頻顯示器
電壓 - 電源,數(shù)字: 1.65 V ~ 3.6 V
安裝類型: 表面貼裝
封裝/外殼: 100-LQFP
供應(yīng)商設(shè)備封裝: 100-LQFP(14x14)
包裝: 托盤
第1頁(yè)第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)第17頁(yè)第18頁(yè)第19頁(yè)第20頁(yè)第21頁(yè)第22頁(yè)第23頁(yè)第24頁(yè)第25頁(yè)第26頁(yè)第27頁(yè)第28頁(yè)第29頁(yè)第30頁(yè)第31頁(yè)第32頁(yè)第33頁(yè)第34頁(yè)第35頁(yè)第36頁(yè)第37頁(yè)第38頁(yè)第39頁(yè)第40頁(yè)第41頁(yè)第42頁(yè)第43頁(yè)第44頁(yè)第45頁(yè)第46頁(yè)第47頁(yè)第48頁(yè)第49頁(yè)第50頁(yè)第51頁(yè)第52頁(yè)第53頁(yè)第54頁(yè)第55頁(yè)第56頁(yè)第57頁(yè)第58頁(yè)第59頁(yè)第60頁(yè)第61頁(yè)第62頁(yè)第63頁(yè)第64頁(yè)第65頁(yè)第66頁(yè)第67頁(yè)第68頁(yè)第69頁(yè)第70頁(yè)第71頁(yè)第72頁(yè)第73頁(yè)第74頁(yè)第75頁(yè)第76頁(yè)第77頁(yè)第78頁(yè)第79頁(yè)第80頁(yè)第81頁(yè)第82頁(yè)當(dāng)前第83頁(yè)第84頁(yè)第85頁(yè)第86頁(yè)第87頁(yè)第88頁(yè)第89頁(yè)第90頁(yè)第91頁(yè)第92頁(yè)第93頁(yè)第94頁(yè)第95頁(yè)第96頁(yè)第97頁(yè)第98頁(yè)第99頁(yè)第100頁(yè)第101頁(yè)第102頁(yè)第103頁(yè)第104頁(yè)第105頁(yè)第106頁(yè)第107頁(yè)第108頁(yè)第109頁(yè)第110頁(yè)第111頁(yè)第112頁(yè)第113頁(yè)第114頁(yè)第115頁(yè)第116頁(yè)第117頁(yè)第118頁(yè)第119頁(yè)
66
AT85C51SND3B
7632D–MP3–01/07
Figure 31. Timer 0 and Timer 1 Clock Controller and Symbols
Timer 0
Timer 0 functions as either a Timer or event Counter in four modes of operation.
Figure 32, Figure 34, Figure 36, and Figure 38 show the logical configuration of each
mode.
Timer 0 is controlled by the four lower bits of TMOD register (see Table 82) and bits 0, 1,
4 and 5 of TCON register (see Table 81). TMOD register selects the method of Timer
gating (GATE0), Timer or Counter operation (C/T0#) and mode of operation (M10 and
M00) according to Table 78. TCON register provides Timer 0 control functions: overflow
flag (TF0), run control bit (TR0), interrupt flag (IE0) and interrupt type control bit (IT0).
For normal Timer operation (GATE0 = 0), setting TR0 allows TL0 to be incremented by
the selected input. Setting GATE0 and TR0 allows external pin INT0 to control Timer
operation.
Timer 0 overflow (count rolls over from all 1s to all 0s) sets TF0 flag generating an inter-
rupt request.
It is important to stop Timer/Counter before changing mode.
Table 78. Timer/counter 0 Operating Modes
Mode 0 (13-bit Timer)
Mode 0 configures Timer 0 as a 13-bit Timer which is set up as an 8-bit Timer (TH0 reg-
ister) with a modulo 32 prescaler implemented with the lower five bits of TL0 register
(see Figure 32). The upper three bits of TL0 register are indeterminate and should be
ignored. Prescaler overflow increments TH0 register. Figure 33 gives the overflow
period calculation formula.
PER
CLOCK
TIM0
CLOCK
OSC
CLOCK
0
1
T0X2
CKCON.1
Timer 0
Timer 0 Clock Symbol
PER
CLOCK
TIM1
CLOCK
OSC
CLOCK
0
1
T1X2
CKCON.2
÷ 2
Timer 1
Timer 1 Clock Symbol
Clock
÷ 2
M10
M00
Mode
Operation
0
8-bit Timer/Counter (TH0) with 5-bit prescaler (TL0).
0
1
16-bit Timer/Counter.
1
0
2
8-bit auto-reload Timer/Counter (TL0).
1
3
TL0 is an 8-bit Timer/Counter.
TH0 is an 8-bit Timer using Timer 1’s TR0 and TF0 bits.
相關(guān)PDF資料
PDF描述
AT87251G2D-RLTUM IC MCU 8/16BIT 32K OTP 44-VQFP
AT87C51RB2-SLRUM MCU ROMLESS 16K OTP 44-PLCC
AT87C52X2-RLRUM MCU ROMLESS 32X2 3V 44-VQFP
AT87C58X2-SLRUM MCU 8051 32K EPROM 44PLCC
AT87F51-24PI IC MICRO CTRL 24MHZ 40DIP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AT85C51SND3B2-RTTUL 功能描述:音頻 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
AT85C51SND3BX 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MP3 Microcontrollers
AT85C51SND4B1-7FTUL 功能描述:音頻 DSP Microcontroller RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube
AT85DVK-07 功能描述:開(kāi)發(fā)板和工具包 - 8051 DEV Kit SND3 RoHS:否 制造商:Silicon Labs 產(chǎn)品:Development Kits 工具用于評(píng)估:C8051F960, Si7005 核心: 接口類型:USB 工作電源電壓:
AT85EC5122 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:MICROCONTROLLER WITH USB AND SMART CARD READER INTERFACES