ATA6613 ATMEL Corporation, ATA6613 Datasheet - Page 226
ATA6613
Manufacturer Part Number
ATA6613
Description
Ata6613
Manufacturer
ATMEL Corporation
Datasheet
1.ATA6613.pdf
(362 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATA6613P
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATA6613P-PLQW
Manufacturer:
ATMEL
Quantity:
5 000
Part Number:
ATA6613P-PLQW
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 226 of 362
- Download datasheet (6Mb)
6.18.6
6.18.6.1
6.18.6.2
226
ATA6612/ATA6613
USART MSPIM Register Description
USART MSPIM I/O Data Register - UDRn
USART MSPIM Control and Status Register n A - UCSRnA
The following section describes the registers used for SPI operation using the USART.
The function and bit description of the USART data register (UDRn) in MSPI mode is identical to
normal USART operation (see
Initial Value
• Bit 7 - RXCn: USART Receive Complete
• Bit 6 - TXCn: USART Transmit Complete
• Bit 5 - UDREn: USART Data Register Empty
• Bit 4:0 - Reserved Bits in MSPI mode
Read/Write
This flag bit is set when there are unread data in the receive buffer and cleared when the
receive buffer is empty (i.e., does not contain any unread data). If the Receiver is disabled,
the receive buffer will be flushed and consequently the RXCn bit will become zero. The
RXCn Flag can be used to generate a Receive Complete interrupt (see description of the
RXCIEn bit).
This flag bit is set when the entire frame in the Transmit Shift Register has been shifted out
and there are no new data currently present in the transmit buffer (UDRn). The TXCn Flag
bit is automatically cleared when a transmit complete interrupt is executed, or it can be
cleared by writing a one to its bit location. The TXCn Flag can generate a Transmit Com-
plete interrupt (see description of the TXCIEn bit).
The UDREn Flag indicates if the transmit buffer (UDRn) is ready to receive new data. If
UDREn is one, the buffer is empty, and therefore ready to be written. The UDREn Flag can
generate a Data Register Empty interrupt (see description of the UDRIE bit). UDREn is set
after a reset to indicate that the Transmitter is ready.
When in MSPI mode, these bits are reserved for future use. For compatibility with future
devices, these bits must be written to zero when UCSRnA is written.
Bit
RXCn
R/W
7
0
TXCn
R/W
6
0
UDREn
“USART I/O Data Register n– UDRn” on page
R/W
5
0
R
4
0
-
R
3
0
-
R
2
1
-
R
1
1
-
212).
R
0
0
-
9111C–AUTO–02/08
UCSRnA
Related parts for ATA6613
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Digital Attenuator, 50 Db, 6-bit, Ttl Driver, Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Voltage Variable Absorptive Attenuator, 30 Db 0.5 - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
3 Volt Voltage Variable Absorptive Attenuator 40 Db, 0.5-2.0 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenu A T O R, 15 Db, 4-bit Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenuator, 30 Db, 4-bit Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenuator, 28 Db, 3-bit Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenuator, 15.5 Db, 5-bit Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
2.25 Volt Voltage Variable Absorptive Attenuator - 40 dB/ 1.8.2.5 GHz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Low Current/ High Performance NPN Silicon Bipolar Transistor
Manufacturer:
Agilent(Hewlett-Packard)
Datasheet:
Part Number:
Description:
Low Current/ High Performance NPN Silicon Bipolar Transistor
Manufacturer:
Agilent(Hewlett-Packard)
Datasheet:
Part Number:
Description:
Low Current/ High Performance NPN Silicon Bipolar Transistor
Manufacturer:
Agilent(Hewlett-Packard)
Datasheet:
Part Number:
Description:
(AT-332 / AT-337) Voltage Variable Absorptive Attenuator DC - 2 GHz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenuator, 31.5 Db, 6-bit, Ttl Driver, Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
2.25 Volt Voltage Variable Absorptive Attenuator - 40 Db, 1.8.2.5 Ghz
Manufacturer:
Tyco Electronics
Datasheet:
Part Number:
Description:
Digital Attenuator, 30 Db, 4-bit, Dc - 2 Ghz
Manufacturer:
Tyco Electronics
Datasheet: