AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 114
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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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19.3.1
Register Name:
Access Type:
Offset: (EFC0)
Offset: (EFC1)
• FRDY: Flash Ready Interrupt Enable
0: Flash Ready does not generate an interrupt.
1: Flash Ready generates an interrupt.
• LOCKE: Lock Error Interrupt Enable
0: Lock Error does not generate an interrupt.
1: Lock Error generates an interrupt.
• PROGE: Programming Error Interrupt Enable
0: Programming Error does not generate an interrupt.
1: Programming Error generates an interrupt.
• NEBP: No Erase Before Programming
0: A page erase is performed before programming.
1: No erase is performed before programming.
• FWS: Flash Wait State
This field defines the number of wait states for read and write operations:
114
NEBP
31
23
15
–
–
7
AT91SAM7X512/256/128 Preliminary
MC Flash Mode Register
FWS
0
1
2
3
30
22
14
MC_FMR
Read-write
0x60
0x70
–
–
6
–
29
21
13
–
–
5
–
28
20
12
–
–
4
–
Read Operations
2 cycles
3 cycles
4 cycles
1 cycle
FMCN
PROGE
27
19
11
–
–
3
LOCKE
26
18
10
–
–
2
Write Operations
25
17
2 cycles
3 cycles
4 cycles
4 cycles
–
9
1
–
6120H–ATARM–17-Feb-09
FWS
FRDY
24
16
–
8
0
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