P89C668 Philips Semiconductors, P89C668 Datasheet - Page 46

• Manufacturer Part Number: P89C668
• Description: 80C51 8-bit Flash microcontroller family 64KB ISP FLASH with 8KB RAM
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Table 9. Intel-Hex Records Used by In-System Programming
2001 Jul 27
RECORD TYPE
80C51 8-bit Flash microcontroller family
64KB ISP Flash with 8KB RAM
00
01
02
Program Data
Where:
Example:
End of File (EOF), no operation
Where:
Example:
Specify Oscillator Frequency
Where:
Example:
:nnaaaa00dd....ddcc
Nn
Aaaa
dd....dd
cc
:10008000AF5F67F0602703E0322CFA92007780C361
:xxxxxx01cc
xxxxxx
cc
:00000001FF
:01xxxx02ddcc
xxxx
dd
cc
:0100000210ED
= number of bytes (hex) in record
= memory address of first byte in record
= data bytes
= checksum
= required field, but value is a “don’t care”
= checksum
= required field, but value is a “don’t care”
= integer oscillator frequency rounded down to nearest MHz
= checksum
(dd = 10h = 16, used for 16.0–16.9 MHz)
COMMAND/DATA FUNCTION
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P89C668
Preliminary data