3069RF-ZTAT Datasheet, PDF (564/1003 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER

15.1.2 Block Diagram
Figure 15.1 shows a block diagram of the A/D converter.
Module data bus
Internal
data bus
AV_CC
V_REF
AV_SS
10-bit D/A
AN ₀
+
AN ₁
–
AN ₂
AN ₃
Analog
multi-
Comparator
AN ₄
plexer _Sample-and-
AN ₅
hold circuit
AN ₆
AN ₇
Control circuit
ADTRG
Compare match A0
ADTE
8-bit timer _TCSR0
[Legend]
ADCR: A/D control register
ADCSR: A/D control/status register
ADDRA: A/D data register A
ADDRB: A/D data register B
ADDRC: A/D data register C
ADDRD: A/D data register D
Figure 15.1 A/D Converter Block Diagram
Rev. 5.0, 09/04, page 542 of 978
φ/4
φ/8
ADI
interrupt signal