m3819 Renesas Electronics Corporation., m3819 Datasheet - Page 82

• Manufacturer Part Number: m3819
• Description: Mitsubishi 8-bit Single-chip Microcomputer 740 Family / 38000 Series
• Manufacturer: Renesas Electronics Corporation.

Fig. 63 A-D conversion equivalent circuit
Fig. 64 A-D conversion timing chart
Figures 63 shows A-D conversion equivalent circuit, and figure 64 shows A-D conversion timing chart.
68
Write signal for AD/DA control register
A-D conversion completion flag
AV
V
AN
AN
AN
AN
AN
AN
AN
AN
REF
SS
Sampling clock
0
1
2
3
4
5
6
7
A-D control register
about 2 k
b3
Build-in
D-A converter
V
b2
CC
b1
V
b0
SS
Sampling
V
clock
V
IN
ref
Reference
clock
Chopper amplifier
C
V
CC
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
50 cycles
A-D conversion register
A-D conversion interrupt request
AV
SS
MITSUBISHI MICROCOMPUTERS
3819 Group