參數(shù)資料
型號： MC9S12B64VFU25
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP80
封裝： PLASTIC, QFP-80
文件頁數(shù)： 117/132頁
文件大小： 1842K
代理商： MC9S12B64VFU25
Device User Guide —9S12B128DGV1/D V01.13
85
NOTE:
Please refer to the temperature rating of the device (C, V, M) with regards to the
ambient temperature TA and the junction temperature TJ. For power dissipation
A.1.8 Power Dissipation and Thermal Characteristics
Power dissipation and thermal characteristics are closely related. The user must assure that the maximum
operating junction temperature is not exceeded. The average chip-junction temperature (TJ)in °C can be
obtained from:
Table A-4 Operating Conditions
Rating
Symbol
Min
Typ
Max
Unit
I/O, Regulator and Analog Supply Voltage
VDD5
2.97
5
5.5
V
Internal Logic Supply Voltage 1
NOTES:
1. The device contains an internal voltage regulator to generate the logic and PLL supply out of the I/O supply. This
applies when this regulator is disabled and the device is powered from an external source.
VDD
2.35
2.5
2.75
V
PLL Supply Voltage 1
VDDPLL
2.35
2.5
2.75
V
Voltage Difference VDDX to VDDR and VDDA
VDDX
-0.1
0
0.1
V
Voltage Difference VSSX to VSSR and VSSA
VSSX
-0.1
0
0.1
V
Bus Frequency
fbus
0.252
2. Some blocks e.g. ATD (conversion) and NVMs (program/erase) require higher bus frequencies for proper oper-
ation.
-
253
3. See bus speed option at Table 0-1 Derivative Differences
MHz
MC9S12B128C
Operating Junction Temperature Range
T
J
-40
-
100
°C
Operating Ambient Temperature Range 4
4. Please refer to Section A.1.8 Power Dissipation and Thermal Characteristics for more details about the rela-
tion between ambient temperature TA and device junction temperature TJ.
T
A
-40
27
85
°C
MC9S12B128V
Operating Junction Temperature Range
T
J
-40
-
120
°C
Operating Ambient Temperature Range 4
T
A
-40
27
105
°C
MC9S12B128M
Operating Junction Temperature Range
T
J
-40
-
140
°C
Operating Ambient Temperature Range 4
T
A
-40
27
125
°C
T
J
T
A
P
D
Θ
JA
()
+
=
T
J
Junction Temperature, [
°C ]
=
T
A
Ambient Temperature, [
°C ]
=
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