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XA-G39 Datasheet(PDF) 15 Page - NXP Semiconductors

Part No. XA-G39
Description  XA 16-bit microcontroller family XA 16-bit microcontroller 32K FLASH/1K RAM, watchdog, 2 UARTs
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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XA-G39 Datasheet(HTML) 15 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary data
XA-G39
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
2002 Mar 13
15
RECORD TYPE
COMMAND/DATA FUNCTION
84
Display Device Data or Blank Check – Record type 84 causes the contents of the entire FLASH array to be sent out
the serial port in a formatted display. This display consists of an address and the contents of 16 bytes starting with that
address. No display of the device contents will occur if security bit 2 has been programmed. The dumping of the device
data to the serial port is terminated by the reception of any character.
General Format of Function 84
:05xxxx84sssseeeeffcc
Where:
05
= number of bytes (hex) in record
xxxx
= required field, but value is a “don’t care”
84
= “Display Device Data or Blank Check” function code
ssss
= starting address
eeee
= ending address
ff
= subfunction
00 = display data
01 = blank check
cc
= checksum
Example:
:0500008440004FFF00E9
display 4000–4FFF
85
Miscellaneous Read Functions
General Format of Function 85
:02xxxx85ffsscc
Where:
02
=
number of bytes (hex) in record
xxxx
=
required field, but value is a “don’t care”
85
=
“Miscellaneous Read” function code
ffss
=
subfunction and selection code
0000 = read signature byte – manufacturer id (15H)
0001 = read signature byte – device id # 1
(EAH)
0002 = read signature byte – device id # 2
(XA–G39 = 65H))
0700 = read security bits (returned value bits 3:1 = sb3,sb2,sb1)
0701 = read status byte
0702 = read boot vector
cc
= checksum
Example:
:02000085000178
read signature byte – device id # 1


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