AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 432

• Manufacturer Part Number: AT32UC3L-EK
• Description: KIT EVAL AVR32 UC3 MCU
• Manufacturer: Atmel
• Type: MCUr

Specifications of AT32UC3L-EK

• Contents: *
• Silicon Manufacturer: Atmel
• Core Architecture: AVR
• Core Sub-architecture: UC3L
• Kit Contents: Board
• Features: USB / Battery Powered, Board Controller / Bootloader
• Svhc: No SVHC (15-Dec-2010)
• Rohs Compliant: Yes
• Tool Type: Starter Kit
• Cpu Core: AVR 8
• Data Bus Width: 8 bit
• Processor Series: AT32
• Processor To Be Evaluated: AT32UC3L064
• Interface Type: USB, Capacitive Touch
• For Use With/related Products: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

20.7.3.2
Figure 20-6. Master Mode Flow Diagram
32099F–11/2010
Master mode flow diagram
1
RDR(RD) = Serializer
Serializer = TDR(TD)
NPCS = TDR(PCS)
Delay DLYBCS
Delay DLYBCT
Delay DLYBS
Data Transfer
NPCS = 0xF
SPI Enable
TDRE = 1
RDRF = 1
CSAAT ?
CSAAT ?
TDRE ?
TDRE ?
0
0
1
0
PS ?
1
peripheral
Variable
0
1
1
0
NPCS = MR(PCS)
peripheral
Fixed
- NPCS defines the current Chip Select
- CSAAT, DLYBS, DLYBCT refer to the fields of the
- When NPCS is 0xF, CSAAT is 0.
NPCS = TDR(PCS)
Chip Select Register corresponding to the Current Chip Select
Delay DLYBCS
NPCS = 0xF
TDR(PCS)
= NPCS ?
no
1
PS ?
peripheral
Variable
0
AT32UC3L016/32/64
yes
peripheral
Fixed
NPCS = MR(PCS),
Delay DLYBCS
NPCS = 0xF
= NPCS ?
MR(PCS)
no
TDR(PCS)
432