AT32UC3C1512C Automotive Atmel Corporation, AT32UC3C1512C Automotive Datasheet - Page 714

• Manufacturer Part Number: AT32UC3C1512C Automotive
• Manufacturer: Atmel Corporation

27.9.2
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
9166C–AVR-08/11
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
PRESCALER
Clock Waveform Generator Register
=
30
22
14
6
f
------------------------- -
2
CLK_TWIM
CWGR
Read/Write
0x04
0x00000000
(
EXP
+
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
HD_DAT
DATA
, T
, T
SU_STO
SU_DAT
25
17
9
1
.
AT32UC3C
24
16
8
0
714