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HS I
2
C Register Manual
Table 17-16. HS I
2
C Registers Mapping Summary (continued)
Register Name
Type
Register Width
Address Offset
Physical
Physical
Physical
(Bits)
Address for HS
Address for HS
Address for HS
I
2
C1
I
2
C2
I
2
C3
R
16
0x50
0x4807 0050
0x4807 2050
0x4806 0050
RW
16
0x54
0x4807 0054
0x4807 2054
0x4806 0054
17.6.2.2 HS I
2
C Register Summary
Table 17-17. I2C_REV
Address Offset
0x00
Physical Address
0x4806 0000
Instance
I2C3
0x4807 0000
I2C1
0x4807 2000
I2C2
Description
IP Revision Identifier (X.Y.R)
Used by software to track features, bugs, and compatibility
Type
R
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
REVISION
Bits
Field Name
Description
Type
Reset
15:8
Reserved
Read returns 0.
R
0x00
7:0
REV
IP revision
R
See
(1)
[7:4] Major revision
[3:0] Minor revision
Examples: 0x30 for 3.0, 0x31 for 3.1
(1)
TI internal data
Table 17-18. Register Call Summary for Register I2C_REV
HS I2C Register Manual
•
Table 17-19. I2C_IE
Address Offset
0x04
Physical Address
0x4806 0004
Instance
I2C3
0x4807 0004
I2C1
0x4807 2004
I2C2
Description
I
2
C interrupt enable register. This register contains the interrupt enable bits.
Type
RW
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
BF_IE
GC_IE
AL_IE
AAS_IE
STC_IE
XDR_IE
RDR_IE
XUDF_IE
AERR_IE
XRDY_IE
ARDY_IE
NACK_IE
RRDY_IE
ROVR_IE
RESERVED
RESERVED
Bits
Field Name
Description
Type
Reset
15
RESERVED
Write 0s for future compatibility. Read returns 0.
RW
0
14
XDR_IE
Transmit Draining interrupt enable. Mask or unmask the
RW
0
interrupt signaled by the bit in
2819
SWPU177N – December 2009 – Revised November 2010
Multimaster High-Speed I
2
C Controller
Copyright © 2009–2010, Texas Instruments Incorporated