C505-2RM SIEMENS [Siemens Semiconductor Group], C505-2RM Datasheet - Page 50
C505-2RM
Manufacturer Part Number
C505-2RM
Description
8-Bit CMOS Microcontroller
Manufacturer
SIEMENS [Siemens Semiconductor Group]
Datasheet
1.C505-2RM.pdf
(85 pages)
Figure 25
Functional Block Diagram of the Oscillator Watchdog
Semiconductor Group
P4.1 / RXDC
P3.2 / INT0
XTAL1
XTAL2
EWPD
(PCON1.7)
Oscillator
Oscillator
On-Chip
Control
Logic
RC
WS
(PCON1.4)
f
3 MHz
Start /
Stop
Start /
Stop
RC
10
Mode Activated
Power - Down
f
OWDS
f
2
1
Comparator
Frequency
50
f
2
f <
1
Control
Delay
Logic
Power-Down Mode
Wake - Up Interrupt
Internal Reset
>1
C505A / C505CA
IP0 (A9 )
C505 / C505C
Int. Clock
H
1997-12-01
MCB03308
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