Texas Instruments OMAP36 Series, Technical Reference Manual

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HS I
2
C Register Manual
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17.6 HS I
2
C Register Manual
CAUTION
The HS I2Ci registers are limited to 16 bit and 8 bit data accesses; 32–bit data
access is not allowed and can corrupt register content.
NOTE: For register configuration of HS I
2
C controller I2C4, see Chapter 3 , Power, Reset, and Clock
Management.
Table 17-15 provides the instance summary.
17.6.1 HS I
2
C Instance Summary
Table 17-15 provides the instance summary.
Table 17-15. HS I
2
C Instance Summary
Module Name Base Address Size
HS I
2
C1 0x4807 0000 512 bytes
HS I
2
C2 0x4807 2000 512 bytes
HS I
2
C3 0x4806 0000 512 bytes
17.6.2 HS I
2
C Registers
17.6.2.1 HS I
2
C Register Summary
Table 17-16 lists the I2Ci registers (where i = 1, 2 and 3).
Table 17-16. HS I
2
C Registers Mapping Summary
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
I2C_REV R 16 0x00 0x4807 0000 0x4807 2000 0x4806 0000
I2C_IE RW 16 0x04 0x4807 0004 0x4807 2004 0x4806 0004
I2C_STAT RW 16 0x08 0x4807 0008 0x4807 2008 0x4806 0008
I2C_WE RW 16 0x0C 0x4807 000C 0x4807 200C 0x4806 000C
I2C_SYSS R 16 0x10 0x4807 0010 0x4807 2010 0x4806 0010
I2C_BUF RW 16 0x14 0x4807 0014 0x4807 2014 0x4806 0014
I2C_CNT RW 16 0x18 0x4807 0018 0x4807 2018 0x4806 0018
I2C_DATA RW 16 0x1C 0x4807 001C 0x4807 201C 0x4806 001C
I2C_SYSC RW 16 0x20 0x4807 0020 0x4807 2020 0x4806 0020
I2C_CON RW 16 0x24 0x4807 0024 0x4807 2024 0x4806 0024
I2C_OA0 RW 16 0x28 0x4807 0028 0x4807 2028 0x4806 0028
I2C_SA RW 16 0x2C 0x4807 002C 0x4807 202C 0x4806 002C
I2C_PSC RW 16 0x30 0x4807 0030 0x4807 2030 0x4806 0030
I2C_SCLL RW 16 0x34 0x4807 0034 0x4807 2034 0x4806 0034
I2C_SCLH RW 16 0x38 0x4807 0038 0x4807 2038 0x4806 0038
I2C_SYSTEST RW 16 0x3C 0x4807 003C 0x4807 203C 0x4806 003C
I2C_BUFSTAT R 16 0x40 0x4807 0040 0x4807 2040 0x4806 0040
I2C_OA1 RW 16 0x44 0x4807 0044 0x4807 2044 0x4806 0044
I2C_OA2 RW 16 0x48 0x4807 0048 0x4807 2048 0x4806 0048
I2C_OA3 RW 16 0x4C 0x4807 004C 0x4807 204C 0x4806 004C
2818 SWPU177N – December 2009 – Revised November 2010
Multimaster High-Speed I
2
C Controller
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