C515C_9711 Datasheet, PDF (177/268 Pages) Siemens Semiconductor Group – 8-Bit CMOS Microcontroller

On-Chip Peripheral Components
C515C
IEN1 (B8 _H)
EXEN2 SWDT EX6 EX5 EX4 EX3 EX2 EADC
IRCON (C0H)
EXF2 TF2 IEX6 IEX5 IEX4 IEX3 IEX2 IADC
P6 (DBH)
P6.7 P6.6 P6.5 P6.4 P6.3 P6.2 P6.1 P6.0
ADCON1 (DCH)
ADCL -
-
-
- MX2 MX1 MX0
ADCON0 (D8H)
BD CLK ADEX BSY ADM MX2 MX1 MX0
Internal
Bus
Port 6
MUX
Conversion
f _OSC
Clock
Prescaler
V_AREF
V_AGND
P4.0/ADST
Write to
ADDATL
Shaded bit locations are not used in ADC-functions.
S&H
Conversion
Clock f _ADC
Input
Clock f _IN
Single/
Continuous
Mode
A/D
Converter
ADDATH ADDATL
(D9H) (DAH)
.2 -
.3 -
.4 -
.5 -
.6 -
.7 -
.8 LSB
MSB .1
Start of
Conversion
Internal
Bus
MCB02747
Figure 6-52
Block Diagram of the A/D Converter
Semiconductor Group
6-114
1997-11-01