Standard Serial I/O Mode; Id Code Check Function - Renesas M16C FAMILY Hardware Manual
16-bit single-chip microcomputer
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Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
17.5 Standard Serial I/O Mode
In standard serial input/output mode, the user ROM area can be rewritten while the microcomputer is
mounted on-board by using a serial programmer suitable for this microcomputer. For more information
about serial programmers, contact the manufacturer of your serial programmer. For details on how to
use, refer to the user's manual included with your serial programmer.
Table 17.7 lists pin functions (flash memory standard serial input/output mode). Figures 17.12 to 17.14
show pin connections for standard serial input/output mode.
17.5.1 ID Code Check Function
This function determines whether the ID codes sent from the serial programmer and those written in
the flash memory match (refer to Section 17.3, "Functions to Prevent Flash Memory from Rewriting").
Rev.0.91
2003 Sep 08
page 165 of 184
17.5 Standard Serial I/O Mode
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