AT91FR40161 ATMEL Corporation, AT91FR40161 Datasheet - Page 121

• Manufacturer Part Number: AT91FR40161
• Description: The AT91FR40161 Features 136 K Bytes of On-chip SRAM, 2M Bytes of Flash, an External Bus Interface, a 3-channel Timer/Counter, 2 ...
• Manufacturer: ATMEL Corporation

USART Transmit Pointer Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• TXPTR: Transmit Pointer
TXPTR must be loaded with the address of the transmit buffer.
USART Transmit Counter Register
Name:
Access Type:Read/Write
Reset Value: 0
Offset:
• 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.
1354D–ATARM–08/02
31
23
15
31
23
15
–
–
7
7
US_TPR
0x38
US_TCR
0x3C
30
22
14
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
27
19
11
11
–
–
3
3
26
18
10
26
18
10
2
–
–
2
AT91X40 Series
25
17
25
17
9
1
–
–
9
1
24
16
24
16
–
–
8
0
8
0
121