SAM7S128 Atmel Corporation, SAM7S128 Datasheet - Page 118

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SAM7S128

Manufacturer Part Number
SAM7S128
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of SAM7S128

Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
32
Ext Interrupts
32
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
3
Ssc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
8
Adc Resolution (bits)
10
Adc Speed (ksps)
384
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
3.0 to 3.6
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
3
Input Capture Channels
3
Pwm Channels
4
32khz Rtc
Yes
Calibrated Rc Oscillator
No
19.3.2
Register Name:
Access Type:
Offset: (EFC0)
Offset: (EFC1)
• FCMD: Flash Command
This field defines the Flash commands:
118
31
23
15
7
SAM7S Series
MC Flash Command Register
Others
FCMD
0000
0001
0010
0011
0100
1000
1011
1101
1111
30
22
14
MC_FCR
Write-only
0x64
0x74
6
Operations
No command.
Does not raise the Programming Error Status flag in the Flash Status Register MC_FSR.
Write Page Command (WP):
Starts the programming of the page specified in the PAGEN field.
Set Lock Bit Command (SLB):
Starts a set lock bit sequence of the lock region specified in the PAGEN field.
Write Page and Lock Command (WPL):
The lock sequence of the lock region associated with the page specified in the field PAGEN
occurs automatically after completion of the programming sequence.
Clear Lock Bit Command (CLB):
Starts a clear lock bit sequence of the lock region specified in the PAGEN field.
Erase All Command (EA):
Starts the erase of the entire Flash.
If at least one page is locked, the command is cancelled.
Set General-purpose NVM Bit (SGPB):
Activates the general-purpose NVM bit corresponding to the number specified in the PAGEN
field.
Clear General Purpose NVM Bit (CGPB):
Deactivates the general-purpose NVM bit corresponding to the number specified in the
PAGEN field.
Set Security Bit Command (SSB):
Sets security bit.
Reserved.
Raises the Programming Error Status flag in the Flash Status Register MC_FSR.
29
21
13
5
28
20
12
4
PAGEN
KEY
27
19
11
3
26
18
10
2
FCMD
25
17
9
1
PAGEN
6175L–ATARM–28-Jul-11
24
16
8
0

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