C508_01 Datasheet, PDF (188/267 Pages) Infineon Technologies AG – 8-Bit CMOS Microcontroller

C508
On-Chip Peripheral Components
IEN1 (B8_H)
- SWDT EX6 EX5 EX4 EX3 EX2 EADC
IRCON (C0_H)
-
TF2
IEX6
IEX5
IEX4
IEX3
IEX2 IADC
P4 (DB_H)
P4.7 P4.6
P4.5
P4.4
P4.3
P4.2
P4.1
P4.0
ADCON1 (DC_H)
ADCL1 ADCL0 -
-
-
MX2 MX1 MX0
ADCON0 (D8_H)
BD CLK
-
BSY ADM MX2 MX1 MX0
Internal
Bus
Port 4
MUX
S&H
2f_OSC
Clock
Prescaler
÷ 32, 16, 8, 4
V_AREF
V_AGND
Conversion Clock f_ADC
Input Clock f_IN
Shaded bit locations are
not used in ADC-functions.
ADDATH ADDATL
Single/
(D9_H) (DA_H)
Continuous Mode _.2
-
.3 -
.4 -
.5 -
A/D
Converter
.6 -
.7 -
.8 LSB
MCB .1
Start of
conversion
Internal
Bus
Write to ADDATL
MCB04076
Figure 6-49 Block Diagram of the A/D Converter
User’s Manual
6-123
2001-05