參數(shù)資料
型號: ATMEGA103-6AI
廠商: Atmel
文件頁數(shù): 25/141頁
文件大?。?/td> 0K
描述: IC MCU 128K 6MHZ A/D IT 64TQFP
產(chǎn)品培訓模塊: megaAVR Introduction
標準包裝: 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 大小: 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
120
ATmega103(L)
0945I–AVR–02/07
External Data Memory Timing
Notes:
1. This assumes 50% clock duty cycle. The half period is actually the high time of the external clock, XTAL1.
2. This assumes 50% clock duty cycle. The half period is actually the low time of the external clock, XTAL1.
Table 45. External Data Memory Characteristics, 4.0 - 6.0 Volts, No Wait State
Symbol
Parameter
6 MHz Oscillator
Variable Oscillator
Unit
Min
Max
Min
Max
01/tCLCL
Oscillator Frequency
0.0
6.0
MHz
1tLHLL
ALE Pulse Width
48.3
0.5 tCLCL - 35.0
(1)
ns
2t
AVLL
Address Valid A to ALE Low
43.3
0.5 t
CLCL - 40.0
(1)
ns
3a
tLLAX_ST
Address Hold after ALE Low,
ST/STD/STS Instructions
77.3
0.5 tCLCL - 10.0
(2)
ns
3b
t
LLAX_LD
Address Hold after ALE Low,
LD/LDD/LDS Instructions
15.0
ns
4tAVLLC
Address Valid C to ALE Low
43.3
0.5 tCLCL - 40.0
(1)
ns
5t
AVRL
Address Valid to RD Low
136.7
1.0 t
CLCL - 30.0
ns
6tAVWL
Address Valid to WR Low
215.0
1.5 tCLCL - 35.0
(1)
ns
7tLLWL
ALE Low to WR Low
146.7
186.7
1.0 tCLCL - 20.0
1.0 tCLCL + 20.0
ns
8t
LLRL
ALE Low to RD Low
146.7
186.7
0.5 t
CLCL - 20.0
(2)
0.5 t
CLCL + 20.0
(2)
ns
9tDVRH
Data Setup to RD High
70.0
ns
10
tRLDV
Read Low to Data Valid
136.7
1.0 tCLCL - 30.0
ns
11
t
RHDX
Data Hold after RD High
0.0
ns
12
tRLRH
RD Pulse Width
146.7
1.0 tCLCL - 20.0
ns
13
t
DVWL
Data Setup to WR Low
53.3
0.5 t
CLCL - 30.0
(2)
ns
14
t
WHDX
Data Hold after WR High
0.0
ns
15
tDVWH
Data Valid to WR High
146.7
1.0 tCLCL - 20.0
ns
16
t
WLWH
WR Pulse Width
63.3
0.5 t
CLCL - 20.0
(1)
ns
Table 46. External Data Memory Characteristics, 4.0 - 6.0 Volts, 1 Cycle Wait State
Symbol
Parameter
6 MHz Oscillator
Variable Oscillator
Unit
Min
Max
Min
Max
01/t
CLCL
Oscillator Frequency
0.0
6.0
MHz
10
tRLDV
Read Low to Data Valid
303.4
2.0 tCLCL - 30.0
ns
12
t
RLRH
RD Pulse Width
313.4
2.0 t
CLCL - 20.0
ns
15
t
DVWH
Data Valid to WR High
313.4
2.0 t
CLCL - 20.0
ns
16
tWLWH
WR Pulse Width
230.0
1.5 tCLCL - 20.0
(2)
ns
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