AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 61

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AT32UC3C1512C Automotive

Manufacturer Part Number
AT32UC3C1512C Automotive
Description
Manufacturer
Atmel Corporation
7.7.4
Name:
Access Type:
Offset:
Reset Value:
Note that if PBDIV is written to 0, PBSEL 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
refer to the UNLOCK register description for details.
9166C–AVR-08/11
PBDIV, PBSEL: PBx Division and Clock Select
PBDIV
31
23
15
7
-
-
-
• PBDIV = 0: PBx clock equals main clock.
• PBDIV = 1: PBx clock equals main clock divided by 2
PBx Clock Select
30
22
14
6
-
-
-
-
PBxSEL
Read/Write
0x000C, 0x0010, 0x0014
0x00000000
29
21
13
5
-
-
-
-
28
20
12
4
-
-
-
-
(PBSEL+1)
.
27
19
11
3
-
-
-
-
26
18
10
2
-
-
-
PBSEL
25
17
9
1
-
-
-
AT32UC3C
24
16
8
0
-
-
-
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