38K2 Datasheet, PDF (91/151 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

38K2 Group
Data bus
AD control register
(address 003616)
P10/DQ0/AN0
P11/DQ1/AN1
P12/DQ2/AN2
P13/DQ3/AN3
P14/DQ4/AN4
P15/DQ5/AN5
P16/DQ6/AN6
P17/DQ7/AN7
b7
b0
3
A/D control circuit
A/D interrupt request
Comparator
AD conversion register 2
AD conversion register 1
10
(address 003816)
(address 003716)
Resistor ladder
Fig. 134 A/D converter block diagram
VREF
VSS
Rev.3.00 Oct 15, 2006 page 91 of 147
REJ03B0193-0300