XA-G39 NXP Semiconductors, XA-G39 Datasheet - Page 15
XA-G39
Manufacturer Part Number
XA-G39
Description
Xa 16-bit Microcontroller Family Xa 16-bit Microcontroller 32k Flash/1k Ram, Watchdog, 2 Uarts
Manufacturer
NXP Semiconductors
Datasheet
1.XA-G39.pdf
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Philips Semiconductors
2002 Mar 13
RECORD TYPE
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
84
85
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
Where:
Example:
Miscellaneous Read Functions
General Format of Function 85
Where:
Example:
:05xxxx84sssseeeeffcc
05
xxxx
84
ssss
eeee
ff
cc
:0500008440004FFF00E9
:02xxxx85ffsscc
02
xxxx
85
ffss
cc
:02000085000178
= number of bytes (hex) in record
= required field, but value is a “don’t care”
= “Display Device Data or Blank Check” function code
= starting address
= ending address
= subfunction
= checksum
= number of bytes (hex) in record
= required field, but value is a “don’t care”
= “Miscellaneous Read” function code
= subfunction and selection code
= checksum
00 = display data
01 = blank check
0000 = read signature byte – manufacturer id (15H)
0001 = read signature byte – device id # 1
0002 = read signature byte – device id # 2
0700 = read security bits (returned value bits 3:1 = sb3,sb2,sb1)
0701 = read status byte
0702 = read boot vector
read signature byte – device id # 1
display 4000–4FFF
COMMAND/DATA FUNCTION
15
(EAH)
(XA–G39 = 65H))
XA-G39
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