ST6252C STMicroelectronics, ST6252C Datasheet - Page 19
ST6252C
Manufacturer Part Number
ST6252C
Description
8 Bit ST6 Microcontroller with 4x8-bitADC 1x8-bit TIMER, 1x8-bitAR TIMER
Manufacturer
STMicroelectronics
Datasheet
1.ST6252C.pdf
(75 pages)
Specifications of ST6252C
Data Ram
128 bytes
Data Eeprom
64 bytes (none on ST62T52C)
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CLOCK SYSTEM (Cont’d)
Figure 11. Clock Circuit Block Diagram
Figure 12. Maximum Operating Frequency (f
Notes:
1. In this area, operation is guaranteed at the
quartz crystal frequency.
2. When the OSG is disabled, operation in this
area is guaranteed at the crystal frequency. When
the OSG is enabled, operation in this area is guar-
anteed at a frequency of at least f
3. When the OSG is disabled, operation in this
OSCILLATOR
MAIN
8
7
6
5
4
3
2
1
Maximum FREQUENCY (MHz)
2.5
3
4
OSG Min.
LFAO
OSG
3.6
SUPPLY VOLTAGE (V
Main Oscillator off
MAX
4
) versus Supply Voltage (V
area is guaranteed at the quartz crystal frequency.
When the OSG is enabled, access to this area is
prevented. The internal frequency is kept a f
4. When the OSG is disabled, operation in this
area is not guaranteed
When the OSG is enabled, access to this area is
prevented. The internal frequency is kept at f
4.5
M
U
X
DD
)
3
2
1
5
f
f
OSG
OSG
f
OSG
ST6252C ST6262B ST6262C
f
INT
Min (at 85°C)
Min (at 125°C)
5.5
DD
: 12
: 13
: 1
)
6
POR
Core
TIMER 1
Watchdog
VR01807J
OSG.
OSG.
19/75
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