AT91SAM7S32-AU-999 Atmel, AT91SAM7S32-AU-999 Datasheet - Page 156
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AT91SAM7S32-AU-999
Manufacturer Part Number
AT91SAM7S32-AU-999
Description
IC MCU ARM7 32KB FLASH 48LQFP
Manufacturer
Atmel
Series
AT91SAMr
Specifications of AT91SAM7S32-AU-999
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
I²C, SPI, SSC, UART/USART
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number Of I /o
21
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
48-LQFP
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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22.4.3
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 data transfer is stopped.
156
31
23
15
31
23
15
7
7
AT91SAM7S Series Preliminary
PDC Transmit Pointer Register
PDC Transmit Counter Register
30
22
14
30
22
14
PERIPH_TPR
Read-write
6
PERIPH_TCR
Read-write
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
6175K–ATARM–30-Aug-10
24
16
24
16
8
0
8
0
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