AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 614
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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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- Current page: 614 of 687
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37.5.26.19
Register Name:
Access Type:
• SQER: SQE Test Errors
An 8-bit register counting the number of frames where ECOL was not asserted within 96 bit times (an interframe gap) of
tx_en being deasserted in half duplex mode.
37.5.26.20
Register Name:
Access Type:
• RLFM: Receive Length Field Mismatch
An 8-bit register counting the number of frames received that have a measured length shorter than that extracted from its
length field. Checking is enabled through bit 16 of the network configuration register. Frames containing a type ID in bytes
13 and 14 (i.e., length/type ID ≥ 0x0600) are not counted as length field errors, neither are excessive length frames.
614
31
23
15
31
23
15
–
–
–
7
–
–
–
7
AT91SAM7X512/256/128 Preliminary
SQE Test Errors Register
Received Length Field Mismatch Register
30
22
14
30
22
14
EMAC_STE
EMAC_RLE
–
–
–
6
–
–
–
6
Read-write
Read-write
29
21
13
29
21
13
–
–
–
5
–
–
–
5
28
20
12
28
20
12
–
–
–
4
–
–
–
4
SQER
RLFM
27
19
11
27
19
11
–
–
–
3
–
–
–
3
26
18
10
26
18
10
–
–
–
2
–
–
–
2
25
17
25
17
–
–
9
–
1
–
–
9
–
1
6120H–ATARM–17-Feb-09
24
16
24
16
–
–
8
–
0
–
–
8
–
0
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