參數(shù)資料
型號: ATMEGA103-6AI
廠商: Atmel
文件頁數(shù): 79/141頁
文件大?。?/td> 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
產(chǎn)品培訓(xùn)模塊: megaAVR Introduction
標(biāo)準(zhǔn)包裝: 90
系列: AVR® ATmega
核心處理器: AVR
芯體尺寸: 8-位
速度: 6MHz
連通性: SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 128KB(64K x 16)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 4K x 8
RAM 容量: 4K x 8
電壓 - 電源 (Vcc/Vdd): 4 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 ~ 85°C
封裝/外殼: 64-TQFP
包裝: 托盤
配用: ATSTK501-ND - ADAPTER KIT FOR 64PIN AVR MCU
42
ATmega103(L)
0945I–AVR–02/07
In PWM mode, this bit has no effect.
Bits 2, 1, 0 – CS02, CS01, CS00/CS22, CS21, CS20: Clock Select Bits 2, 1 and 0
The Clock Select2 bits 2, 1 and 0 define the prescaling source of the Timer/Counter.
The Stop condition provides a Timer Enable/Disable function. The CK down divided
modes are scaled directly from the CK CPU clock. If the external pin modes are used for
Timer/Counter2, transitions on PD7/(T2) will clock the counter even if the pin is config-
ured as an output. This feature can give the user software control of the counting.
Timer/Counter0 – TCNT0
Timer/Counter2 – TCNT2
Table 11. Timer/Counter0 Prescale Select
CS02
CS01
CS00
Description
0
Timer/Counter0 is stopped.
0
1
PCK0
0
1
0
PCK0/8
0
1
PCK0/32
1
0
PCK0/64
1
0
1
PCK0/128
1
0
PCK0/256
1
PCK0/1024
Table 12. Timer/Counter2 Prescale Select
CS22
CS21
CS20
Description
0
Timer/Counter2 is stopped.
001
CK
010
CK/8
011
CK/64
100
CK/256
101
CK/1024
1
0
External Pin PD7(T2), falling edge
1
External Pin PD7(T2), rising edge
Bit
7
6
543
210
$32 ($42)
MSB
LSB
TCNT0
Read/Write
R/WR/W
Initial Value
0
Bit
7
6
543
210
$24 ($44)
MSB
LSB
TCNT2
Read/Write
R/WR/W
Initial Value
0
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