SDA5250 Datasheet, PDF (113/143 Pages) Siemens Semiconductor Group – TVTEXT 8-Bit Microcontroller

SDA 525x
÷6
Machine Cycles,
Instruction Cycles
÷2
CDC = 1
Internal
Chip Clock
OSC
PSC = 0
Internal
System Clock
for ADC
CDC = 0
÷2
PSC = 1
UES09861
Figure 38
Internal System Clock of the ADC
ADC-Start Register DAPR
ADC-Start Register
Default after reset: 00_H
(MSB)
–
–
–
DAPR
–
–
SFR-Address DA_H
(LSB)
–
–
–
Only the address of DAPR is used to decode a start-of-conversion signal. No bits are
implemented. A read from DAPR might show random values.
Semiconductor Group
113
1998-04-08