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Section 21 A/D Converter
Rev. 4.00 Sep. 14, 2005 Page 798 of 982
REJ09B0023-0400
21.1.1 Block
Diagram
Figure 21.1 shows a block diagram of the A/D converter.
AVcc and AVss for both A/D modules are common pins in the chip.
ADI0
interrupt
signal
ADCSR 0:
ADDRA 0:
ADDRB 0:
ADDRC 0:
ADDRD 0:
ADCR:
[Legend]
A/D 0 control/status register
A/D 0 data register A
A/D 0 data register B
A/D 0 data register C
A/D 0 data register D
A/D0, A/D1 control register
ADCSR 1:
ADDRA 1:
ADDRB 1:
ADDRC 1:
ADDRD 1:
A/D 1 control/status register
A/D 1 data register A
A/D 1 data register B
A/D 1 data register C
A/D 1 data register D
10 bit
A/D
ADDRA1
ADDRB1
ADDRC1
ADDRD1
Bus interface bus
Peripheral data bus
Analog
multi
plecer
Control circuit
Successive
approxi- mation
register
+
–
Comparator
Sample and-
hold circuit
ADI1
interrupt
signal
AV
SS
AN4
AN5
AN6
AN7
AN0
AN1
AN2
AN3
ADCSR1
AV
CC
A/D converter 1
Internal
data bus
10 bit
A/D
ADDRA0
ADDRB0
ADDRC0
ADDRD0
Bus interface bus
Peripheral data bus
Analog
multi
plecer
Control circuit
Successive
approxi- mation
register
+
–
Comparator
Sample and-
hold circuit
MTU
trigger
AV
SS
ADCSR0
AV
CC
A/D converter 0
Internal
data bus
ADCR
Figure 21.1 Block Diagram of A/D Converter
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Page 1036: ...SH7641 Hardware Manual...