Host Interface (HI08)
HI08 DSP Side ProgrammerÕs Model
MOTOROLA
DSP56309UM/D 6-17
6.5.7
Host Data Direction Register (HDDR)
The HDDR controls the direction of the data flow for each of the HI08 signals configured
as GPIO. It is illustrated in
. Even when the HI08 functions as the host
interface, its unused signals can be configured as GPIO signals. For information on the
HI08 GPIO configuration options, see
Section 6.6.8ÑGeneral-Purpose I/O
If bit DRxx is set, the corresponding HI08 signal is configured as an output signal. If bit
DRxx is cleared, the corresponding HI08 signal is configured as an input signal.
6.5.8
Host Data Register (HDR)
The HDR register holds the data value of the corresponding bits of the HI08 signals
configured as GPIO signals. It is illustrated in
. The functionality of the Dxx
bit depends on the corresponding HDDR bit (DRxx), as in
. The HDR cannot be
accessed by the host processor.
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DR15
DR14
DR13
DR12
DR11
DR10
DR9
DR8
DR7
DR6
DR5
DR4
DR3
DR2
DR1
DR0
AA0663
Figure 6-9
Host Data Direction Register (HDDR) (X:$FFFFC8)
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
AA0664
Figure 6-10
Host Data Register (HDR) (X:$FFFFC9)
Содержание DSP56309
Страница 25: ...xxii DSP56309UM D MOTOROLA Figure D 25 Port E Registers PCRE PRRE PDRE D 39 ...
Страница 30: ...MOTOROLA DSP56309UM D 1 1 SECTION 1 DSP56309 OVERVIEW ...
Страница 47: ...1 18 DSP56309UM D MOTOROLA DSP56309 Overview DSP56309 Architecture Overview ...
Страница 48: ...MOTOROLA DSP56309UM D 2 1 SECTION 2 SIGNAL CONNECTION DESCRIPTIONS ...
Страница 85: ...2 38 DSP56309UM D MOTOROLA Signal Connection Descriptions OnCE JTAG Interface ...
Страница 86: ...MOTOROLA DSP56309UM D 3 1 SECTION 3 MEMORY CONFIGURATION ...
Страница 104: ...MOTOROLA DSP56309UM D 4 1 SECTION 4 CORE CONFIGURATION ...
Страница 124: ...MOTOROLA DSP56309UM D 5 1 SECTION 5 GENERAL PURPOSE I O ...
Страница 125: ...5 2 DSP56309UM D MOTOROLA General Purpose I O 5 1 INTRODUCTION 5 3 5 2 PROGRAMMING MODEL 5 3 ...
Страница 128: ...MOTOROLA DSP56309UM D 6 1 SECTION 6 HOST INTERFACE HI08 ...
Страница 166: ...MOTOROLA DSP56309UM D 7 1 SECTION 7 ENHANCED SYNCHRONOUS SERIAL INTERFACE ESSI ...
Страница 212: ...MOTOROLA DSP56309UM D 8 1 SECTION 8 SERIAL COMMUNICATION INTERFACE SCI ...
Страница 241: ...8 30 DSP56309UM D MOTOROLA Serial Communication Interface SCI GPIO Signals and Registers ...
Страница 242: ...MOTOROLA DSP56309UM D 9 1 SECTION 9 TRIPLE TIMER MODULE ...
Страница 269: ...9 28 DSP56309UM D MOTOROLA Triple Timer Module Timer Operational Modes ...
Страница 270: ...MOTOROLA DSP56309UM D 10 1 SECTION 10 ON CHIP EMULATION MODULE ...
Страница 302: ...MOTOROLA DSP56309UM D 11 1 SECTION 11 JTAG PORT ...
Страница 369: ...C 22 DSP56309UM D MOTOROLA DSP56309 BSDL Listing ...
Страница 370: ...MOTOROLA DSP56309UM D D 1 APPENDIX D PROGRAMMING REFERENCE ...
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