Product Specs

34 TWIS — I
2
C compatible two-wire interface
slave with EasyDMA
Page
329
B RW CONNECT
Disconnected
Connected
1
0
Connection
Disconnect
Connect
B RW CONNECT
Disconnected
Connected
1
0
Connection
Disconnect
Connect
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
Enabled 9 Enable TWIS
34.9.8 PSEL.SCL
Address offset: 0x508
Pin select for SCL signal
Bit number
Id
Reset 0xFFFFFFFF
31 30
B
1 1
29
1
28
1
27
1
26
1
25
1
24
1
23 22 21 20
1 1 1 1
19
1
18
1
17
1
16
1
15
1
14
1
13
1
12
1
11
1
10
1
9
1
8
1
7
1
6
1
5
1
4
A
1
3
A
1
2
A
1
1
A
1
0
A
1
Id RW Field
Value Id
Value
Description
A RW PIN [0..31] Pin number
34.9.9 PSEL.SDA
Address offset: 0x50C
Pin select for SDA signal
Bit number
Id
Reset 0xFFFFFFFF
31 30
B
1 1
29
1
28
1
27
1
26
1
25
1
24
1
23 22 21 20
1 1 1 1
19
1
18
1
17
1
16
1
15
1
14
1
13
1
12
1
11
1
10
1
9
1
8
1
7
1
6
1
5
1
4
A
1
3
A
1
2
A
1
1
A
1
0
A
1
Id RW Field
Value Id
Value
Description
A RW PIN [0..31] Pin number
34.9.10 RXD.PTR
Address offset: 0x534
RXD Data pointer
Bit number
31 30
29
28
27
26
25
24
23 22 21 20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Id
A A
A
A
A
A
A
A
A A A A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Reset 0x00000000
0 0
0
0
0
0
0
0
0 0 0 0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Id
RW Field
Value Id
Value
Description
A RW PTR RXD Data pointer
34.9.11 RXD.MAXCNT
Address offset: 0x538
Maximum number of bytes in RXD buffer
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
A
0
6
A
0
5
A
0
4
A
0
3
A
0
2
A
0
1
A
0
0
A
0
Id RW Field
Value Id
Value
Description
A RW MAXCNT Maximum number of bytes in RXD buffer
34.9.12 RXD.AMOUNT
Address offset: 0x53C
Number of bytes transferred in the last RXD transaction