AT91M40400-25C ATMEL Corporation, AT91M40400-25C Datasheet - Page 79

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

USART Receiver Holding Register
Name:
Access Type:
•
USART Transmitter Holding Register
Name:
Access Type:
•
RXCHR: Received Character
Last character received if RXRDY is set. When number of data bits is less than 8 bits, the bits are right-aligned.
All non-significant bits read zero.
TXCHR: Character to be Transmitted
Next character to be transmitted after the current character if TXRDY is not set. When number of data bits is less than 8
bits, the bits are right-aligned.
31
23
15
31
23
15
---
---
---
---
---
---
7
7
30
22
14
30
22
14
US_RHR
Read only
---
---
---
US_THR
Write only
---
---
---
6
6
29
21
13
29
21
13
---
---
---
---
---
---
5
5
28
20
12
28
20
12
---
---
---
---
---
---
4
4
RXCHR
TXCHR
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
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