r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 713

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Figure 17.1 shows a block diagram of the A/D converter.
AVcc
AVss
AVrefh
AVrefl
[Legend]
ADDR:
ADCR:
ADANSR:
ADSR:
ADSTRGR:
GrA:
GrB:
Note: Pins AN4 to AN7 are available only in the SH7137.
ADDR4 to ADDR7 registers are available only in the SH7137.
A/D data register
A/D control register
A/D analog input channel select register
A/D status register
A/D start trigger select register
Group A
Group B
A/D_0
A/D_1
GrA
GrB
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AN8
AN9
AN10
AN11
AN12
AN13
AN14
AN15
AVrefh
AVrefh
Figure 17.1 Block Diagram of A/D Converter
AVrefl
AVrefl
AVcc
AVss
AVcc
AVss
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
conversion circuit
Sample-and-
Sample-and-
Sample-and-
Sample-and-
Sample-and-
Sample-and-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
Impedance-
hold circuit
hold circuit
hold circuit
hold circuit
hold circuit
hold circuit
Internal data bus
Internal data bus
12-bit D/A
12-bit D/A
Bus interface
Bus interface
Sample-and-
Sample-and-
hold circuit
hold circuit
Offset cancel circuit
Offset cancel circuit
+
−
+
−
Comparator
Comparator
Rev. 1.00 Sep. 21, 2007 Page 687 of 1124
A/D 0 conversion
A/D 1 conversion
Section 17 A/D Converter (ADC)
control circuit
control circuit
A/D conversion
A/D conversion
signal (ADI_3)
signal (ADI_4)
end interrupt
end interrupt
REJ09B0402-0100
A/D trigger signal
from MTU2
(TRGAN,
A/D trigger signal
from MTU2S
(TRGAN,
External trigger signal
(ADTRG)
TRG0N,
TRG4AN,
TRG4BN)
TRG4AN,
TRG4BN)