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DSP56303 数据表(PDF) 275 Page - Freescale Semiconductor, Inc

部件名 DSP56303
功能描述  DSP56303 USER?셎 MANUAL
PDF  292 Pages
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制造商  FREESCALE [Freescale Semiconductor, Inc]
网页  http://www.freescale.com
标志 FREESCALE - Freescale Semiconductor, Inc

DSP56303 数据表(HTML) 275 Page - Freescale Semiconductor, Inc

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Programming Sheets
DSP56303 User’s Manual, Rev. 2
Freescale Semiconductor
B-31
Figure B-22. Host Data Direction and Host Data Registers (HDDR, HDR)
Application:
Date:
Programmer:
Sheet 1 of 4
GPIO
15
14
13
12
11
10
98
7654
3210
DR5
DR4
DR3
DR2
DR1
DR0
DR6
DR15
DR14
DR13
DR12
DR8
DR11
DR9
DR10
X:$FFFFC8 Write
Reset = $00
Host Data Direction Register (HDDR)
DRx = 0
→ HIx is Input
DRx = 1
→ HIx is Output
15
14
13
12
11
10
98
7654
3210
D5
D4
D3
D2
D1
D0
D6
D15
D14
D13
D12
D8
D11
D9
D10
X:$FFFFC9 Write
Reset = Undefined
Host Data Register (HDR)
DRx holds value of corresponding HI08 GPIO pin.
DR7
D7
Function depends on HDDR.
Port B (HI08)



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