Datasheet

C515C
Data Sheet 47 2003-02
Figure 19 A/D Converter Block Diagram
Input
Clock
Clock
Conversion
S & H
Conversion
Start of
Shaded bit locations are not used in ADC-functions.
Write to
ADDATL
P4.0/ADST
AGND
OSC
AREF
V
V
f
Port 6 MUX
Conversion
Clock
Prescaler
IRCON (C0 )
ADCON0 (D8 )
ADCON1 (DC )
ADCL
BD
H
P6 (DB )
P6.7
EXF2
ADEXCLK
H
--
BSY
-
P6.5
IEX6
H
P6.6
TF2
H
P6.4
IEX5
SWDT
IEN1 (B8 )
H
EXEN2 EX6 EX5
Single/
HH
Converter
Continuous
A/D
f
IN
ADC
f
Mode
MSB
.8
.7
.6
.1
LSB
-
-
.5
.4
.3
.2
-
-
-
-
MCB02747
Bus
Internal
ADDATL
(DA )
MX2
MX2
ADM
-
MX1
MX1
IEX3
P6.2P6.3
IEX4
P6.1
IEX2
ADDATH
(D9 )
MX0
MX0
P6.0
IADC
EX3EX4 EX2 EADC
Bus
Internal