MC68332ACFC25 Freescale Semiconductor, MC68332ACFC25 Datasheet - Page 177

• Manufacturer Part Number: MC68332ACFC25
• Description: IC MCU 32BIT 25MHZ 132-PQFP
• Manufacturer: Freescale Semiconductor
• Series: M683xxr

Specifications of MC68332ACFC25

• Core Processor: CPU32
• Core Size: 32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Type: ROMless
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 132-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

MC68332
USER’S MANUAL
Notes:
The average chip-junction temperature (T
where
For most applications P
P
Solving equations 1 and 2 for K gives:
where K is a constant pertaining to the particular part. K can be determined from equation (3) by measuring
P
equations (1) and (2) iteratively for any value of T
I/O
D
T
P
P
P
(at equilibrium) for a known T
A
Num
D
INT
I/O
JA
is neglected) is:
1
= Ambient Temperature, C
= Package Thermal Resistance, Junction-to-Ambient, C/W
= P
= I
= Power Dissipation on Input and Output Pins — User Determined
DD
INT
Thermal Resistance
Plastic 132-Pin Surface Mount
Plastic 144-Pin Surface Mount
Thin Plastic 144-Pin Surface Mount
+ P
V
DD
I/O
Freescale Semiconductor, Inc.
, Watts — Chip Internal Power
For More Information On This Product,
Table A-3 Thermal Characteristics
I/O
K = P
< P
ELECTRICAL CHARACTERISTICS
INT
D
Rating
P
A
Go to: www.freescale.com
T
and can be neglected. An approximate relationship between P
. Using this value of K, the values of P
+ (T
D
J
= K
= T
A
+ 273 C) +
A
+ (P
J
(T
) in C can be obtained from:
J
+ 273 C)
D
A
.
JA
JA
)
P
D
Symbol
2
JA
D
and T
Value
38
46
49
J
can be obtained by solving
(2)
(3)
(1)
Unit
C/W
D
and T
A-3
J
(if