TMS320C6457 Datasheet, PDF (33/238 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

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Figure 2-9 shows the HPI, McBSP, and I²C peripheral signals.
Figure 2-9 HPI/McBSP/I²C Peripheral Signals
TMS320C6457
Fixed-Point Digital Signal Processor
SPRS582—March 2009
32
HD[15:0]
HD[31:16]
HCNTL0
HCNTL1
HHWIL
(HPI16 ONLY)
Data
Register Select
Half-Word
Select
HPI^(A)
(Host-Port Interface)
Control
HAS
HR/W
HCS
HDS1
HDS2
HRDY
HINT
CLKX1
FSX1
DX1
CLKR1
FSR1
DR1
CLKS1
McBSP1
Transmit
McBSP0
Transmit
Receive
Clock
Receive
Clock
McBSPs
(Multichannel Buffered Serial Ports)
CLKX0
FSX0
DX0
CLKR0
FSR0
DR0
CLKS0
SCL
I2C
SDA
(A) When the HPI is enabled, the number of HPI pins used depends on the HPI configuration (HPI16 or HPI32).
Copyright © 2009 Texas Instruments Incorporated
Device Overview 33