AT91SAM7S32B-MU Atmel, AT91SAM7S32B-MU Datasheet - Page 156

• Manufacturer Part Number: AT91SAM7S32B-MU
• Description: IC MCU ARM7 32KB FLASH 48-VQFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-MU

• 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-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-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: -

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