Product Specs

Table Of Contents
34 TWIS I
2
C compatible two-wire interface
slave with EasyDMA
Page
328
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
H
0
25
G
0
24
0
23 22 21 20 19
F E
0 0 0 0 0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
B
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
A
0
0
0
Id RW Field
Value Id
Value
Description
Disabled
Enabled
0
1
Read: Disabled
Read: Enabled
G RW WRITE
Write '1' to Disable interrupt for WRITE event
See EVENTS_WRITE
Clear
1
Disable
Disabled
0
Read: Disabled
Enabled
1
Read: Enabled
H RW READ
Write '1' to Disable interrupt for READ event
Clear
1
See EVENTS_READ
Disable
Disabled
0
Read: Disabled
Enabled
1
Read: Enabled
34.9.5 ERRORSRC
Address offset: 0x4D0
Error source
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
C
0
2
B
0
1
0
0
A
0
Id RW Field
Value Id
Value
Description
A
RW
OVERFLOW
NotDetected
0
RX buffer overflow detected, and prevented
Error did not occur
Detected
1
Error occurred
B
RW
DNACK
NotReceived
0
NACK sent after receiving a data byte
Error did not occur
Received
1
Error occurred
C
RW
OVERREAD
TX buffer over-read detected, and prevented
NotDetected
0
Error did not occur
Detected
1
Error occurred
34.9.6 MATCH
Address offset: 0x4D4
Status register indicating which address had a match
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
0
2
0
1
0
0
A
0
Id RW Field
Value Id
Value
Description
A R MATCH [0..1] Which of the addresses in {ADDRESS} matched the incoming address
34.9.7 ENABLE
Address offset: 0x500
Enable TWIS
Bit number
Id
Reset 0x00000000
31 30
0 0
29
0
28
0
27
0
26
0
25
0
24
0
23 22 21 20
0 0 0 0
19
0
18
0
17
0
16
0
15
0
14
0
13
0
12
0
11
0
10
0
9
0
8
0
7
0
6
0
5
0
4
0
3
A
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW ENABLE Enable or disable TWIS
Disabled 0 Disable TWIS