25
CIRCUIT OPERATION MANUAL
A. Initialize multi-purpose PIO port
B. STI5518 chip version detection
C. Set DMT default multi-purpose PIO port
D. Initialize the OS20 software scheduler
E. Initialize the interrupt subsystem
F. Flash vendor check
G. Booting mode check(UART Debugging mode / Factory Test Mode / Normal Mode)
H. develop_init
I. i2c_init
J. pti_init
K. pwm_init
L. pcr_init
M.tuner_init
N. uart_init
O. mpeg_init
P. gprim_init
Q. teletextInit
R. run_smallwin
S. front_init
T. AudioPesManagerInit
1) BOOT is displayed on the Front Panel.
Boot Loader is activated having following functions.
System Booting
Flash Memory & Program Check
System Upgrade by another DSR or PC
Factory Default Data read/write by PC
2) ---- sign is displayed in Front Panel.
Check whether the User Data is being loaded to Main RAM from the Flash ROM. Check the validity of Data.
Following Booting Message will be seen after executing UART Emulator Program when connecting SERIAL Port with
PC.
1) Development environment display
************************************************************
STi5518 DVB Reference Firmware Version 6.0
Code Exe = 0x4d4f52 (ROM)
************************************************************
Software compiled on Apr 04 2000 at 01:33:58
With DCU release 1.6.2 (50600)
ANSI C compiler Version 5.06.00 (04:41:24 Oct 15 1998) (W95/NT-PC)
OS20 kernel 2.05.03 (12:07:34 Oct 19 1998)
Device_id = 2d4c9041 (STi5518) (STi5518 version E, F or G detected)
[VID_REV=D1] [AUD_REV=D3]
[DENC_CHIPID=53] [DENC_REVID=00]
--- General configuration ---
Instruction cache Enabled
[TESTTOOL_PRESENT fitted]
[EVAL5518 NOT fitted]
[CODE_ON_SDRAM fitted]
6. Software Operating Steps
(1) Operating Steps.
(2) Normal States after the Power On
(3) UART Console Message
All manuals and user guides at all-guides.com
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Содержание DSD-9251EAV
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Страница 57: ...56 PARTS PLACEMENT ARRANGEMENT 9251 FRONT PCB All manuals and user guides at all guides com...
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