AT91SAM7S512-MU-999 Atmel, AT91SAM7S512-MU-999 Datasheet - Page 158
AT91SAM7S512-MU-999
Manufacturer Part Number
AT91SAM7S512-MU-999
Description
IC MCU ARM7 512KB FLASH 64-VQFN
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S512-MU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
64K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-VQFN Exposed Pad, 64-HVQFN, 64-SQFN, 64-DHVQFN
For Use With
AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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22.4.7
Register Name:
Access Type:
• TXNPTR: Transmit Next Pointer Address
TXNPTR is the address of the next buffer to transmit when the current buffer is empty.
22.4.8
Register Name:
Access Type:
• TXNCR: Transmit Next Counter Value
TXNCR is the size of the next buffer to transmit.
158
31
23
15
31
23
15
7
7
AT91SAM7S Series Preliminary
PDC Transmit Next Pointer Register
PDC Transmit Next Counter Register
30
22
14
30
22
14
PERIPH_TNPR
Read-write
6
PERIPH_TNCR
Read-write
6
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
TXNPTR
TXNPTR
TXNPTR
TXNPTR
TXNCR
TXNCR
--
--
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
6175K–ATARM–30-Aug-10
24
16
24
16
8
0
8
0
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