DSP56303 FREESCALE [Freescale Semiconductor, Inc], DSP56303 Datasheet - Page 131
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DSP56303
Manufacturer Part Number
DSP56303
Description
Manufacturer
FREESCALE [Freescale Semiconductor, Inc]
Datasheet
1.DSP56303.pdf
(292 pages)
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Freescale Semiconductor
RXH/M/
TXH/M/
CVR
CVR
Reg
ISR
IVR
L
L
6–0
7–0
7–0
7–0
#
0
1
2
3
4
7
7
HV[6–0]
IV[7–0]
HREQ
RXDF
TXDE
TRDY
HF2
HF3
Table 6-20. HI08 Programming Model: Host Side (Continued)
HC
Receive Data Register Full
Transmit Data Register
Empty
Transmitter Ready
Host Flag 2
Host Flag 3
Host Request
Host Command Vector
Host Command
Host Receive Data Register
Host Transmit Data
Register
Interrupt Register
Name
DSP56303 User’s Manual, Rev. 2
Bit
Value
1
1
0
0
1
1
0
1
0
0
Host Receive Register is empty
Host Receive Register is full
Host Transmit Register is
empty
Host Transmit Register is full
transmit FIFO (6 deep) is
empty
transmit FIFO is not empty
HREQ signal is deasserted
HREQ signal is asserted (if
enabled)
no host command pending
host command pending
68000 family vector register
Function
Programming Model Quick Reference
$0F
empt
empt
HW/
$32
SW
0
1
1
0
0
0
0
y
y
Reset Type
Indi
vi-d
ual
—
—
—
—
0
1
1
0
0
STOP
—
—
—
—
0
1
1
0
0
6-31