C505_9708 SIEMENS [Siemens Semiconductor Group], C505_9708 Datasheet - Page 161

• Manufacturer Part Number: C505_9708
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 6-42
Block Diagram of the A/D Converter
Semiconductor Group
Port 1
f
V
V
OSC
AREF
AGND
Shaded Bit locations are not used in ADC-functions.
Conversion
IEN1 (B8 )
IRCON (C0 )
P1ANA (90 )
ADCON1 (DC )
ADCON0 (D8 )
Prescaler
EXEN2
ADCL1
Clock
EAN7
EXF2
BD
MUX
H
H
H
ADCL0
H
SWDT
EAN6
H
CLK
TF2
Conversion Clock
EAN5
IEX6
EX6
Input Clock
EAN4
IEX5
BSY
EX5
6-99
f
S&H
IN
f
ADC
EAN3
IEX4
ADM
EX4
On-Chip Peripheral Components
Single /
Continuous Mode
EAN2
IEX3
MX2
MX2
EX3
Converter
A / D
Start of
conversion
ECAN
EAN1
SWI
MX1
MX1
ADDAT
(D9 )
MSB
LSB
C505 / C505C
EADC
EAN0
IADC
Write to ADST
MX0
MX0
.2
.3
.4
.5
.6
.1
H
MCB03298
ADST
(DA )
1997-08-01
Internal
H
Internal
Bus
Bus