参数资料
型号: AT91SAM7S256C-MU-999
厂商: Atmel
文件页数: 47/50页
文件大小: 0K
描述: IC MCU ARM7 256KB FLASH 64-VQFN
产品培训模块: MCU Product Line Introduction
标准包装: 3,500
系列: SAM7S
核心处理器: ARM7
芯体尺寸: 16/32-位
速度: 55MHz
连通性: I²C,SPI,SSC,UART/USART,USB
外围设备: 欠压检测/复位,DMA,POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 256KB(256K x 8)
程序存储器类型: 闪存
RAM 容量: 64K x 8
电压 - 电源 (Vcc/Vdd): 1.65 V ~ 1.95 V
数据转换器: A/D 8x10b
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 64-VFQFN 裸露焊盘
包装: 带卷 (TR)
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
其它名称: AT91SAM7S256-MU-999
AT91SAM7S256-MU-999-ND
6
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
3.
Signal Description
Table 3-1.
Signal Description List
Signal Name
Function
Type
Active
Level
Comments
Power
VDDIN
Voltage and ADC Regulator Power Supply
Input
Power
3.0 to 3.6V
VDDOUT
Voltage Regulator Output
Power
1.85V nominal
VDDFLASH
Flash Power Supply
Power
3.0V to 3.6V
VDDIO
I/O Lines Power Supply
Power
3.0V to 3.6V or 1.65V to 1.95V
VDDCORE
Core Power Supply
Power
1.65V to 1.95V
VDDPLL
PLL
Power
1.65V to 1.95V
GND
Ground
Clocks, Oscillators and PLLs
XIN
Main Oscillator Input
Input
XOUT
Main Oscillator Output
Output
PLLRC
PLL Filter
Input
PCK0 - PCK2
Programmable Clock Output
Output
ICE and JTAG
TCK
Test Clock
Input
No pull-up resistor
TDI
Test Data In
Input
No pull-up resistor
TDO
Test Data Out
Output
TMS
Test Mode Select
Input
No pull-up resistor
JTAGSEL
JTAG Selection
Input
Pull-down resistor(1)
Flash Memory
ERASE
Flash and NVM Configuration Bits Erase
Command
Input
High
Pull-down resistor(1)
Reset/Test
NRST
Microcontroller Reset
I/O
Low
Open-drain with pull-Up resistor
TST
Test Mode Select
Input
High
Pull-down resistor(1)
Debug Unit
DRXD
Debug Receive Data
Input
DTXD
Debug Transmit Data
Output
AIC
IRQ0 - IRQ1
External Interrupt Inputs
Input
IRQ1 not present on SAM7S32/16
FIQ
Fast Interrupt Input
Input
PIO
PA0 - PA31
Parallel IO Controller A
I/O
Pulled-up input at reset
PA0 - PA20 only on SAM7S32/16
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