D-14
DSP56367
MOTOROLA
Programmer’s Reference
HORX 23-0
DSP Receive Data
Register
empty
HOTX 23-0
DSP Transmit Data
Register
empty
HDR
15-0
D15-D0
GPIO Pin Data
$0000
-
-
HDDR 15-0
DR15-DR0
GPIO Pin Direction
0
1
Input
Output
$0000
-
-
Host Side
ICR
0
RREQ
Receive Request Enable
0
1
HRRQ interrupt disabled
HRRQ interrupt enabled
0
-
-
1
TREQ
Transmit Request Enable
0
1
HTRQ interrupt disabled
HTRQ interrupt enabled
0
-
-
2
HDRQ
Double Host Request
0
1
HOREQ/HTRQ=HOREQ,
HACK/HRRQ=HACK
HOREQ/HTRQ=HTRQ,
HACK/HRRQ=HRRQ
available if
HDM2-HDM0=000
0
-
-
3
HF0
Host Flag 0
0
-
-
4
HF1
Host Flag 1
0
-
-
5
HLEND
Host Little Endian
0
1
“Big Endian” order
“Little Endian” order
available if
HDM2-HDM0=000
0
-
-
6-5
HM1-HM0
Host Mode Control
00
01
10
11
Interrupt Mode
24-bit DMA enabled
16-bit DMA enabled
8-bit DMA enabled
available if
HDM2-HDM0=100
00
-
-
7
INIT
Initialize
1
Reset data paths according to
TREQ and RREQ
cleared by HDI08
hardware
0
-
-
ISR
0
RXDF
Receive Data Register
Full
0
1
host receive register is empty
host receive register is full
0
0
0
1
TXDE
Transmit Data Register
Empty
1
0
host transmit register empty
host transmit register full
1
1
1
2
TRDY
Transmitter Ready
1
0
transmit FIF O (6 deep) is
empty
transmit FIFO is not empty
1
1
1
3
HF2
Host Flag2
0
-
-
4
HF3
Host Flag3
0
-
-
7
HREQ
Host Request
0
1
HOREQ pin is deasserted
HOREQ pin is asserted (if
enabled)
0
0
0
CVR
6-0
HV6-HV0
Host Command Vector
default vector
$2A
-
-
7
HC
Host Command
0
1
no host command pending
host command pending
cleared by HDI08
hardware when the HC
int. req. is serviced
0
0
0
RXH/
M/L
7-0
Host Receive Data
Register
empty
TXH/
M/L
7-0
Host Transmit Data
Register
empty
IVR
7-0
IV7-IV0
Interrupt Register
68000 family vector register
$0F
-
-
Table D-4 HDI08 Programming Model
Reg
Bit
Comments
Reset Type
Num Mnemonic
Name
Val
Function
HW /
SW
IR
ST
Содержание DSP56367
Страница 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Страница 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Страница 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Страница 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Страница 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Страница 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Страница 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Страница 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Страница 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Страница 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Страница 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Страница 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Страница 522: ...Index 6 MOTOROLA Index ...
Страница 523: ......