參數(shù)資料
型號: AT91SAM9261SB-CU
廠商: Atmel
文件頁數(shù): 35/39頁
文件大?。?/td> 0K
描述: IC ARM9 MPU 217-LFBGA
標(biāo)準(zhǔn)包裝: 126
系列: AT91SAM
核心處理器: ARM9
芯體尺寸: 16/32-位
速度: 190MHz
連通性: EBI/EMI,I²C,MMC,SPI,SSC,UART/USART,USB
外圍設(shè)備: DMA,LCD,POR,PWM,WDT
輸入/輸出數(shù): 96
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: ROM
RAM 容量: 48K x 8
電壓 - 電源 (Vcc/Vdd): 1.08 V ~ 1.32 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 217-LFBGA
包裝: 托盤
配用: AT91SAM9261-EK-ND - KIT EVAL FOR AT91SAM926EJ-S
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
5
6242ES–ATARM–11-Sep-09
AT91SAM9261S
3.
Signal Description
Table 3-1.
Signal Description by Peripheral
Signal Name
Function
Type
Active Level
Comments
Power
VDDIOM
EBI I/O Lines Power Supply
Power
1.65 V to 1.95V and 3.0V to 3.6V
VDDIOP
Peripherals I/O Lines Power Supply
Power
2.7V to 3.6V
VDDBU
Backup I/O Lines Power Supply
Power
1.08V to 1.32V
VDDPLL
PLL Power Supply
Power
3.0V to 3.6V
VDDOSC
Oscillator Power Supply
Power
3.0V to 3.6V
VDDCORE
Core Chip Power Supply
Power
1.08V to 1.32V
GND
Ground
GNDPLL
PLL Ground
Ground
GNDOSC
Oscillator Ground
Ground
GNDBU
Backup Ground
Ground
Clocks, Oscillators and PLLs
XIN
Main Oscillator Input
Input
XOUT
Main Oscillator Output
Output
XIN32
Slow Clock Oscillator Input
Input
XOUT32
Slow Clock Oscillator Output
Output
PLLRCA
PLL Filter
Input
PLLRCB
PLL Filter
Input
PCK0 - PCK3
Programmable Clock Output
Output
Shutdown, Wakeup Logic
SHDN
Shutdown Control
Output
Do not tie over VDDBU.
WKUP
Wake-Up Input
Input
Accepts between 0V and VDDBU.
ICE and JTAG
TCK
Test Clock
Input
No pull-up resistor.
RTCK
Returned Test Clock
Output
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.
NTRST
Test Reset Signal
Input
Low
Pull-up resistor.
JTAGSEL
JTAG Selection
Input
Pull-down resistor. Accepts
between 0V and VDDBU.
Reset/Test
NRST
Microcontroller Reset
I/O
Low
Pull-up resistor
TST
Test Mode Select
Input
Pull-down resistor.
BMS
Boot Mode Select
Input
Debug Unit
DRXD
Debug Receive Data
Input
DTXD
Debug Transmit Data
Output
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