AT32UC3L064-D3HES ATMEL [ATMEL Corporation], AT32UC3L064-D3HES Datasheet - Page 490

• Manufacturer Part Number: AT32UC3L064-D3HES
• Manufacturer: ATMEL [ATMEL Corporation]

22.9.2
Name:
Access Type:
Offset:
Reset Value:
• EXP: Clock Prescaler
• DATA: Data Setup and Hold Cycles
• STASTO: START and STOP Cycles
• HIGH: Clock High Cycles
• LOW: Clock Low Cycles
32099D–06/2010
31
23
15
7
-
Used to specify how to prescale the TWCK clock. Counters are prescaled according to the following formula
Clock cycles for data setup and hold count. Prescaled by CWGR.EXP. Used to time T
Clock cycles in clock high count. Prescaled by CWGR.EXP. Used to time T
Clock cycles in clock high count. Prescaled by CWGR.EXP. Used to time T
Clock cycles in clock low count. Prescaled by CWGR.EXP. Used to time T
f
Clock Waveform Generator Register (CWGR)
prescaled
=
---------------------- -
2
30
22
14
6
(
f
EXP
CWGR
Read/Write
0x04
0x00000000
clkpb
+
1
)
EXP
29
21
13
5
28
20
12
4
STASTO
HIGH
LOW
27
19
11
3
LOW
HD_STA
HIGH
, T
.
BUF
, T
26
18
10
2
.
SU_STA
AT32UC3L016/32/64
HD_DAT
DATA
, T
, T
SU_STO
SU_DAT
25
17
9
1
.
24
16
8
0
490