Renesas SH7264 User Manual

Page of 2152
 
Section 24   A/D Converter 
R01UH0134EJ0400  Rev. 4.00  
 
Page 1267 of 2108 
Sep 24, 2014 
 
 
 
SH7262 Group, SH7264 Group 
Bit Bit 
Name 
Initial 
Value R/W 
Description 
2 to 0 
CH[2:0] 
000 
R/W 
Channel Select 
These bits and the MDS bits in ADCSR select the 
analog input channels. 
MDS = 0xx
MDS = 100 or 
MDS = 110 
MDS = 101 or 
MDS = 111 
000: AN0 
000: AN0 
000: AN0 
001: AN1 
001: AN0, AN1 
001: AN0, AN1 
010: AN2 
010: AN0 to AN2 
010: AN0 to AN2 
011: AN3 
011: AN0 to AN3 
011: AN0 to AN3 
100: AN4*
3
 100: 
AN4*
3
 
100: AN0 to AN4*
3
 
101: AN5*
3
 
101: AN4, AN5*
3
 
101: AN0 to AN5*
3
 
110: AN6*
3
 
110: AN4 to AN6*
3
110: AN0 to AN6*
3
 
111: AN7*
3
 
111: AN4 to AN7*
3
111: AN0 to AN7*
3
 
 
[Legend] 
x: Don't 
care 
Notes:  1.  Only 0 can be written to clear the flag after 1 is read. 
 
 
Please note that ADF flag becomes "0" in the following cases, too. 
 
 
(1) Reading the state of ADF = 1 with CPU. 
 
 
(2) Clearing ADF flag by having read ADDR with DMAC 
 
 
(3) Set of ADF flag according to A/D conversion end 
 
 
(4) Writing 0 in the ADF flag with CPU 
 
2.  Set the A/D conversion time to minimum or more values to meet the absolute accuracy 
of the A/D conversion characteristics. 
 
3.  Settings prohibited in the SH7262 Group.