AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 146
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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22.4.3
Register Name:
Access Type:
• TXPTR: Transmit Pointer Address
Address of the transmit buffer.
22.4.4
Register Name:
Access Type:
• TXCTR: Transmit Counter Value
TXCTR is the size of the transmit transfer to be performed. At zero, the peripheral DMA transfer is stopped.
146
31
23
15
31
23
15
7
7
AT91SAM7X512/256/128 Preliminary
PDC Transmit Pointer Register
PDC Transmit Counter Register
PERIPH_TPR
Read-write
30
22
14
PERIPH_TCR
Read-write
30
22
14
6
6
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
TXCTR
TXCTR
TXPTR
TXPTR
TXPTR
TXPTR
--
--
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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