AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 83

• Manufacturer Part Number: AT91M40400-25C
• Description: 16/32-bit Microcontroller, 2.7V to 3.6V Operating Range
• Manufacturer: ATMEL Corporation

USART Transmit Pointer Register
Name:
Access Type:
•
USART Transmit Counter Register
Name:
Access Type:
•
TXPTR: Transmit Pointer
TXPTR must be loaded with the address of the transmit buffer.
TXCTR: Transmit Counter
TXCTR must be loaded with the size of the transmit buffer.
0: Stop Peripheral Data Transfer dedicated to the transmitter.
1-65535: Start Peripheral Data transfer if TXRDY is active.
31
23
15
31
23
15
---
---
7
7
30
22
14
30
22
14
US_TPR
Read/Write
US_TCR
Read/Write
---
---
6
6
29
21
13
29
21
13
---
---
5
5
28
20
12
28
20
12
---
---
4
4
TXPTR
TXPTR
TXPTR
TXPTR
TXCTR
TXCTR
27
19
11
27
19
11
---
---
3
3
26
18
10
26
18
10
---
---
2
2
AT91M40400
25
17
25
17
---
---
9
1
9
1
24
16
24
16
---
---
8
0
8
0
83