參數(shù)資料
型號(hào)： ATTINY44A-SSF
廠商： Atmel
文件頁數(shù)： 5/135頁
文件大?。?/td> 0K
描述： IC MCU 8BIT 4KB FLASH 14SOIC
產(chǎn)品培訓(xùn)模塊： MCU Product Line Introduction
tinyAVR Introduction
標(biāo)準(zhǔn)包裝： 98
系列： AVR® ATtiny
核心處理器： AVR
芯體尺寸： 8-位
速度： 20MHz
連通性： USI
外圍設(shè)備： 欠壓檢測(cè)/復(fù)位，POR，PWM，溫度傳感器，WDT
輸入/輸出數(shù)： 12
程序存儲(chǔ)器容量： 4KB（2K x 16）
程序存儲(chǔ)器類型： 閃存
EEPROM 大?。?/td> 256 x 8
RAM 容量： 256 x 8
電壓 - 電源 (Vcc/Vdd)： 1.8 V ~ 5.5 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 ~ 125°C
封裝/外殼： 14-SOIC（0.154"，3.90mm 寬）
包裝： 管件
102
32015G–AVR32–09/09
AT32AP7001
11.5.7.2
Disabling a generic clock
The generic clock can be disabled by writing CEN to 0 or entering a sleep mode that disables
the PB clocks. In either case, the generic clock will be switched off on the first falling edge after
the disabling event, to ensure that no glitches occur. If CEN is written to 0, the bit will still read as
1 until the next falling edge occurs, and the clock is actually switched off. When writing CEN to 0,
the other bits in GCCTRL should not be changed until CEN reads as 0, to avoid glitches on the
generic clock.
When the clock is disabled, both the prescaler and output are reset.
11.5.7.3
Changing clock frequency
When changing generic clock frequency by writing GCCTRL, the clock should be switched off by
the procedure above, before being re-enabled with the new clock source or division setting. This
prevents glitches during the transition.
11.5.7.4
Generic clock implementation
In AT32AP7001, there are 8 generic clocks. These are allocated to different functions as shown
11.5.8
Divided PB clocks
The clock generator in the Power Manager provides divided PBA and PBB clocks for use by
peripherals that require a prescaled PB clock. This is described in the documentation for the rel-
evant modules.
The divided clocks are not directly maskable, but are stopped in sleep modes where the PB
clocks are stopped.
11.5.9
Debug operation
During a debug session, the user may need to halt the system to inspect memory and CPU reg-
isters. The clocks normally keep running during this debug operation, but some peripherals may
require the clocks to be stopped, e.g. to prevent timer overflow, which would cause the program
to fail. For this reason, peripherals on the PBA and PBB buses may use “debug qualified” PB
clocks. This is described in the documentation for the relevant modules. The divided PB clocks
are always debug qualified clocks.
Table 11-3.
Generic clock allocation
Clock number
Function
0GCLK0 pin
1GCLK1 pin
2GCLK2 pin
3GCLK3 pin
4GCLK4 pin
5
Reserved for internal use
6DAC
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516-230-356 CONN COVER PLASTIC 56POS SIDE
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ATTINY44A-SSFR 功能描述:8位微控制器 -MCU 4KB FL 256B EE 256B SRAM 20MHz Hi +125C RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ATTINY44A-SSN 功能描述:8位微控制器 -MCU 4K FLASH 256B EE 256B SRAM - 20MHz RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ATTINY44A-SSNR 功能描述:8位微控制器 -MCU AVR 4KB FL 256B EE 256B SRAM 20MHz 105C RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ATTINY44A-SSU 功能描述:8位微控制器 -MCU 1.8V, 20MHz Industrial Temp RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
ATTINY44A-SSUR 功能描述:8位微控制器 -MCU 4KB FLSH 256B EE256B SRAM-20MHz, IND, RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時(shí)鐘頻率:50 MHz 程序存儲(chǔ)器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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