SAM7X128 Atmel Corporation, SAM7X128 Datasheet - Page 301
SAM7X128
Manufacturer Part Number
SAM7X128
Description
Manufacturer
Atmel Corporation
Specifications of SAM7X128
Flash (kbytes)
128 Kbytes
Pin Count
100
Max. Operating Frequency
55 MHz
Cpu
ARM7TDMI
Hardware Qtouch Acquisition
No
Max I/o Pins
62
Ext Interrupts
62
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Twi (i2c)
1
Uart
3
Can
1
Ssc
1
Ethernet
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
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
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29.6.8
Register Name:
Access Type:
• TXCOMP: Transmission Completed
• RXRDY: Receive Holding Register Ready
• TXRDY: Transmit Holding Register Ready
• NACK: Not Acknowledge
0 = The corresponding interrupt is disabled.
1 = The corresponding interrupt is enabled.
29.6.9
Register Name:
Access Type:
• RXDATA: Receive Holding Data
6120I–ATARM–06-Apr-11
31
23
15
31
23
15
–
–
–
7
–
–
–
–
7
TWI Interrupt Mask Register
TWI Receive Holding Register
30
22
14
30
22
14
TWI_IMR
Read-only
TWI_RHR
Read-only
–
–
–
6
–
–
–
–
6
29
21
13
29
21
13
–
–
–
5
–
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
–
4
RXDATA
27
19
11
27
19
11
–
–
–
3
–
–
–
–
3
TXRDY
26
18
10
26
18
10
–
–
–
2
–
–
–
2
SAM7X512/256/128
RXRDY
25
17
25
17
–
–
9
–
1
–
–
9
–
1
TXCOMP
NACK
24
16
24
16
–
–
8
0
–
–
8
–
0
301
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