参数资料
型号: AT91SAM9XE512-QU
厂商: Atmel
文件页数: 44/159页
文件大小: 0K
描述: MCU ARM9 512K FLASH 208-PQFP
产品培训模块: MCU Product Line Introduction
标准包装: 24
系列: SAM9XE
核心处理器: ARM9
芯体尺寸: 16/32-位
速度: 180MHz
连通性: EBI/EMI,以太网,I²C,MMC,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 96
程序存储器容量: 512KB(512K x 8)
程序存储器类型: 闪存
RAM 容量: 56K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 4x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 208-MQFP,208-PQFP
包装: 托盘
配用: AT91SAM9XE-EK-ND - KIT EVAL FOR AT91SAM9XE
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
PIC16F62X
DS40300C-page 136
Preliminary
2003 Microchip Technology Inc.
TABLE 17-4:
EXTERNAL CLOCK TIMING REQUIREMENTS
Param
No.
Sym
Characteristic
Min
Typ
Max
Units
Conditions
Fosc
External CLKIN Frequency(1)
DC
4
MHz XT and ER Osc mode,
V
DD = 5.0V
DC
20
MHz HS Osc mode
DC
200
kHz
LP Osc mode
Oscillator Frequency(1)
4
MHz ER Osc mode, V
DD = 5.0V
0.1
4
MHz XT Osc mode
1—
20
200
MHz
kHz
HS Osc mode
LP Osc mode
3.65
4
4.28
MHz INTRC mode (fast), V
DD = 5.0V
37
kHz
INTRC mode (slow)
4
INTRC Internal Calibrated RC
3.65
4.00
4.28
MHz V
DD = 5.0V
5
ER
External Biased ER Frequency
10 kHz
8 MHz
V
DD = 5.0V
1
Tosc
External CLKIN Period(1)
250
ns
XT and ER Osc mode
50
ns
HS Osc mode
5—
sLP Osc mode
Oscillator Period(1)
250
ns
ER Osc mode
250
10,000
ns
XT Osc mode
50
1,000
ns
HS Osc mode
5
sLP Osc mode
250
ns
INTRC mode (fast)
27
s INTRC mode (slow)
2
Tcy
Instruction Cycle Time
1.0
T
CY
DC
ns
T
CY = 4/FOSC
3
TosL,
TosH
External CLKIN (OSC1) High
External CLKIN Low
100 *
ns
XT oscillator, T
OSC L/H duty
cycle*
*
These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25
°C unless otherwise stated. These parameters are for design guidance only
and are not tested.
Note 1: Instruction cycle period (Tcy) equals four times the input oscillator time-based period. All specified values
are based on characterization data for that particular oscillator type under standard operating conditions
with the device executing code. Exceeding these specified limits may result in an unstable oscillator
operation and/or higher than expected current consumption. All devices are tested to operate at “Min.”
values with an external clock applied to the OSC1 pin. When an external clock input is used, the “Max”
cycle time limit is “DC” (no clock) for all devices.
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