参数资料
型号: ST6265BN3/XXX
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO28
封装: ROHS COMPLIANT, PLASTIC, SSOP-28
文件页数: 14/84页
文件大小: 1343K
代理商: ST6265BN3/XXX
21/84
ST6255C ST6265C ST6265B
CLOCK SYSTEM (Cont’d)
Figure 11. Clock Circuit Block Diagram
Figure 12. Maximum Operating Frequency (fMAX) versus Supply Voltage (VDD)
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 fOSG Min.
3. When the OSG is disabled, operation in this
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 fOSG.
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 fOSG.
MAIN
OSCILLATOR
OSG
LFAO
M
U
X
Core
: 13
: 12
: 1
TIMER 1
Watchdog
POR
fINT
Main Oscillator off
OSCILLATOR
DIVIDER
RS0,RS1
1
2.5
3.64
4.55
5.5
6
8
7
6
5
4
3
2
Maximum FREQUENCY (MHz)
SUPPLY VOLTAGE (VDD)
F
UNCT
IO
NAL
IT
Y
IS
NOT
3
4
3
2
1
fOSG
fOSG Min (at 85°C)
GUA
RANT
EED
IN
THIS
AREA
VR01807J
fOSG Min (at 125°C)
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