AT32UC3L-EK Atmel, AT32UC3L-EK Datasheet - Page 162

• 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

12.7.2
Name:
Access Type:
Offset:
Reset Value:
• CPUDIV, CPUSEL: CPU Division and Clock Select
Note that if CPUDIV is written to 0, CPUSEL should also be written to 0 to ensure correct operation.
Also note that writing this register clears POSCSR.CKRDY. The register must not be re-written until CKRDY goes high.
Note that this register is protected by a lock. To write to this register the UNLOCK register has to be written first. Please ref-
ere to the UNLOCK register description for details.
32099F–11/2010
CPUDIV
31
23
15
7
-
-
-
CPUDIV = 0: CPU clock equals main clock.
CPUDIV = 1: CPU clock equals main clock divided by 2
CPU Clock Select
30
22
14
6
-
-
-
-
CPUSEL
Read/Write
0x004
0x00000000
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
(CPUSEL+1)
27
19
11
.
3
-
-
-
-
26
18
10
2
-
-
-
AT32UC3L016/32/64
CPUSEL
25
17
9
1
-
-
-
24
16
8
0
-
-
-
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