AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 105
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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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Figure 19-2. Code Read Optimization in Thumb Mode for FWS = 0
Note:
Figure 19-3. Code Read Optimization in Thumb Mode for FWS = 1
Note:
6120H–ATARM–17-Feb-09
ARM Request (16-bit)
ARM Request (16-bit)
Data To ARM
Data To ARM
Buffer (32 bits)
Flash Access
Buffer (32 bits)
Flash Access
Master Clock
Master Clock
Code Fetch
When FWS is equal to 0, all accesses are performed in a single-cycle access.
When FWS is equal to 1, in case of sequential reads, all the accesses are performed in a single-cycle access (except for the
first one).
Code Fetch
@Byte 0
@Byte 0
1 Wait State Cycle
Bytes 0-3
@Byte 2
Bytes 0-1
Bytes 0-3
@Byte 2
Bytes 4-7
@Byte 4
Bytes 0-3
Bytes 2-3
Bytes 0-1
1 Wait State Cycle
AT91SAM7X512/256/128 Preliminary
Bytes 4-5
@Byte 6
@Byte 4
Bytes 2-3
Bytes 4-7
Bytes 4-7
Bytes 0-3
Bytes 8-11
@Byte 8
@Byte 6
Bytes 6-7
Bytes 4-5
1 Wait State Cycle
@Byte 10
Bytes 8-9
@Byte 8
Bytes 6-7
Bytes 8-11
Bytes 8-11
Bytes 4-7
Bytes 12-15
Bytes 10-11
@Byte 10
@Byte 12
Bytes 8-9
1 Wait State Cycle
Bytes 12-13
Bytes 10-11
@Byte 12
@Byte 14
Bytes 12-15
Bytes 8-11
Bytes 12-15
Bytes 16-19
Bytes 12-13
Bytes 14-15
@Byte 14
@Byte 16
105
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