at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 253

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

19.14.5
Name:
Access:
Offset:
Reset Value: 0x00000000
CWGR is only used in Master mode.
•
•
•
32059J–12/2010
T
T
low
high
CKDIV: Clock Divider
CHDIV: Clock High Divider
CLDIV: Clock Low Divider
=
=
31
23
15
–
7
(
(
The CKDIV is used to increase both SCL high and low periods.
The SCL high period is defined as follows:
(
The SCL low period is defined as follows:
CLDIV
(
CHDIV
Clock Waveform Generator Register
CWGR
Read-write
0x10
×
×
2
CKDIV
2
CKDIV
30
22
14
–
6
)
+
)
+
4 )
4 )
×
×
T
MCK
T
MCK
29
21
13
–
5
28
20
12
–
4
CHDIV
CLDIV
27
19
11
–
3
26
18
10
–
2
CKDIV
25
17
–
9
1
AT32UC3B
24
16
–
8
0
253