Public Version
HS I
2
C Register Manual
www.ti.com
Table 17-45. I2C_SCLH
Address Offset
0x38
Physical Address
0x4806 0038
Instance
I2C3
0x4807 0038
I2C1
0x4807 2038
I2C2
Description
This register is used to determine the SCL low time value when master.
Type
RW
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
HSSCLH
SCLH
Bits
Field Name
Description
Type
Reset
15:8
HSSCLH
I
2
C high-speed mode SCL high time value
RW
0x00
7:0
SCLH
I
2
C Fast/Standard or SCCB modes SCL high time value
RW
0x00
Table 17-46. Register Call Summary for Register I2C_SCLH
HS I2C Functional Description
•
:
•
HS I2C Basic Programming Model
•
HS I2C Main Program (I2C Mode)
•
HS I2C Main Program (SCCB Mode)
:
HS I2C Register Manual
•
Table 17-47. I2C_SYSTEST
Address Offset
0x3C
Physical Address
0x4806 003C
Instance
I2C3
0x4807 003C
I2C1
0x4807 203C
I2C2
Description
This register is used to facilitate system-level tests by overriding some of the standard functional
features of the peripheral.
Type
RW
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
FREE
TMODE
SSB
Reserved
SCL_I
SDA_I
ST_EN
SCL_O
SDA_O
SCCBE_O
SCL_I_FUNC
SDA_I_FUNC
SCL_O_FUNC
SDA_O_FUNC
Bits
Field Name
Description
Type
Reset
15
ST_EN
System test enable
RW
0
0x0:
Normal mode
0x1:
System test enabled. Permit other system test
registers bits to be set
14
FREE
Free-running mode
RW
0
0x0:
Stop mode (on breakpoint condition). If
Master mode, it stops after completion of the
ongoing bit transfer. In slave mode, it stops
during the phase transfer when 1 byte is
completely transmitted/received.
2834
SWPU177N – December 2009 – Revised November 2010
Multimaster High-Speed I
2
C Controller
Copyright © 2009–2010, Texas Instruments Incorporated