AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 120
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AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Ram Size
32 KB
Program Memory Size
128 KB
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Program Memory Type
Flash
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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Table 20-1.
20.2.2
120
Signal Name
VDDFLASH
VDDIO
VDDCORE
VDDPLL
GND
XIN
TST
PGMEN0
PGMEN1
PGMNCMD
PGMRDY
PGMNOE
PGMNVALID
PGMM[3:0]
PGMD[15:0]
AT91SAM7X512/256/128 Preliminary
Signal Names
Signal Description List
Function
Flash Power Supply
I/O Lines Power Supply
Core Power Supply
PLL Power Supply
Ground
Main Clock Input.
This input can be tied to GND. In this
case, the device is clocked by the internal
RC oscillator.
Test Mode Select
Test Mode Select
Test Mode Select
Valid command available
0: Device is busy
1: Device is ready for a new command
Output Enable (active high)
0: DATA[15:0] is in input mode
1: DATA[15:0] is in output mode
Specifies DATA type (See
Bi-directional data bus
Depending on the MODE settings, DATA is latched in different internal registers.
Table 20-2.
When MODE is equal to CMDE, then a new command (strobed on DATA[15:0] signals) is stored
in the command register.
MODE[3:0]
0000
0001
0010
0101
Default
Mode Coding
Table 20-2
Symbol
CMDE
ADDR0
ADDR1
DATA
IDLE
Clocks
Power
)
Test
PIO
Input/Output
Ground
Output
Output
Power
Power
Power
Power
Type
Input
Input
Input
Input
Input
Input
Input
Data
Command Register
Address Register LSBs
Data Register
No register
Active
Level
High
High
High
High
Low
Low
Low
Comments
32KHz to 50MHz
Must be connected to VDDIO
Must be connected to VDDIO
Must be connected to VDDIO
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
Pulled-up input at reset
6120H–ATARM–17-Feb-09
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