Renesas R8C/20 User Manual

C - 10
REVISION HISTORY R8C/20 Group, R8C/21 Group Hardware Manual
0.20 Jun 28, 2006 347 Figure 17.4 Typical Operation when Sending a Header Field ;
“
RAIC ” → “ TRAIC ” corrected.
348 Figure 17.5 Example of Header Field Transmission Flowchart (1) revised.
349 Figure 17.6 Example of Header Field Transmission Flowchart (2) revised.
350 Figure 17.7 Typical Operation when Receiving a Header Field ;
“
RAIC ” → “ TRAIC ” corrected.
351 Figure 17.8 Example of Header Field Reception Flowchart (1) revised.
352 Figure 17.9 Example of Header Field Reception Flowchart (2) revised.
353 Figure 17.10 Example of Header Field Reception Flowchart (3) revised.
354 Figure 17.11 Typical Operation when a Bus Collision is Detected ;
“
RAIC ” → “ TRAIC ” corrected.
355 17.5 Interrupt Requests, on the 2nd line;
“ Synch Break generation competed ” added.
357 Table 18.1 Performance of A/D converter revised.
358 Figure 18.1 Block Diagram of A/D Converter ;
“
ADGSEL ” → “ ADGSEL0 ” corrected.
361 Table 18.2 One-Shot Mode Specifications, Input pin ;
“
AN8 ” → “ AN0 ” corrected.
367 18.3 Sample and Hold, on the 2nd and 5th lines ;
“
to 28 φ AD cycles ~ 10-bit resolution. ” deleted.
“
When performing ~ the microcomputer. ” deleted.
368 18.4 A/D Conversion Cycles added.
369 18.5 Internal Equivalent Circuit of Analog Input added.
370 18.6 Output Impedance of Sensor Under A/D Conversion added.
371 18.7 Notes on A/D Converter
;
“18.7 Precautions on A/D Converter” → “
18.7 Notes on A/D Converter ”
revised.
372 19. Flash Memory ;
“19. Flash Memory Version” → “
19. Flash Memory ” revised.
Table 19.1 Flash Memory Performance, Program and Erase Endurance ;
“Program Area” → “
Program ROM ”
“Data Area” → “
Data ROM ” revised.
374 19.2 Memory Map, on the 4th and 5th lines ;
“(program ROM)”
and “ (data flash) ” added.
Figure 19.1 Flash Memory Block Diagram for R8C/20 Group revised.
375 Figure 19.2 Flash Memory Block Diagram for R8C/21 Group revised.
376 19.3 Functions to Prevent Rewriting of Flash Memory ;
“19.3 Functions to prevent Flash Memory from Rewriting” → “
19.3
Functions to Prevent Rewriting of Flash Memory
” revised.
19.3.2 ROM Code Protect Function, on the 5th and 7th lines ;
“The ROM code ~ flash memory.” deleted.
“write 0 to the ROMCR bit” → “erase the block including the OFS
register” revised.
Rev. Date
Description
Page Summary

Renesas R8C/20 Specifications

General

Brand	Renesas
Model	R8C/20
Category	Control Unit
Language	English