參數(shù)資料
型號: TMP320F28044PZQ
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: Digital Signal Processor
中文描述: 數(shù)字信號處理器
文件頁數(shù): 61/107頁
文件大?。?/td> 784K
代理商: TMP320F28044PZQ
www.ti.com
SYSRS
Data[16]
SYSCLKOUT
Data[16]
Addr[16]
Control
I2CINT1A
I2CINT2A
C28X CPU
GPIO
MUX
I
2
CA
System Control
Block
I2CAENCLK
PIE
Block
SDAA
SCLA
P
TMS320F28044
Digital Signal Processor
SPRS357B–AUGUST 2006–REVISED MAY 2007
A.
The I
2
C registers are accessed at the SYSCLKOUT rate. The internal timing and signal waveforms of the I
2
C port are
also at the SYSCLKOUT rate.
The clock enable bit (I2CAENCLK) in the PCLKCRO register turns off the clock to the I
2
C port for low power
operation. Upon reset, I2CAENCLK is clear, which indicates the peripheral internal clocks are off.
B.
Figure 4-10. I
2
C Peripheral Module Interfaces
The registers in
Table 4-9
configure and control the I
2
C port operation.
Table 4-9. I
2
C-A Registers
NAME
I2COAR
I2CIER
I2CSTR
I2CCLKL
I2CCLKH
I2CCNT
I2CDRR
I2CSAR
I2CDXR
I2CMDR
I2CISRC
I2CPSC
I2CFFTX
I2CFFRX
I2CRSR
I2CXSR
ADDRESS
0x7900
0x7901
0x7902
0x7903
0x7904
0x7905
0x7906
0x7907
0x7908
0x7909
0x790A
0x790C
0x7920
0x7921
-
-
DESCRIPTION
I
2
C own address register
I
2
C interrupt enable register
I
2
C status register
I
2
C clock low-time divider register
I
2
C clock high-time divider register
I
2
C data count register
I
2
C data receive register
I
2
C slave address register
I
2
C data transmit register
I
2
C mode register
I
2
C interrupt source register
I
2
C prescaler register
I
2
C FIFO transmit register
I
2
C FIFO receive register
I
2
C receive shift register (not accessible to the CPU)
I
2
C transmit shift register (not accessible to the CPU)
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Peripherals
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