MC68331CEH20 Freescale Semiconductor, MC68331CEH20 Datasheet - Page 179

IC MCU 32BIT 20MHZ 132-PQFP

MC68331CEH20

Manufacturer Part Number
MC68331CEH20
Description
IC MCU 32BIT 20MHZ 132-PQFP
Manufacturer
Freescale Semiconductor
Series
M683xxr
Datasheets

Specifications of MC68331CEH20

Core Processor
CPU32
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
18
Program Memory Type
ROMless
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
132-QFP
Controller Family/series
68K
No. Of I/o's
18
Cpu Speed
20MHz
No. Of Timers
1
Embedded Interface Type
QSPI, SCI, UART
No. Of Pwm Channels
2
Digital Ic Case Style
PQFP
Rohs Compliant
Yes
Processor Series
M683xx
Core
CPU32
Data Bus Width
32 bit
Data Ram Size
80 B
Interface Type
QSPI, SCI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
18
Number Of Timers
1
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
Cpu Family
68K/M683xx
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
20MHz
Program Memory Size
Not Required
Total Internal Ram Size
80Byte
# I/os (max)
18
Number Of Timers - General Purpose
1
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
132
Package Type
PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Ram Size
-
Program Memory Size
-
Data Converters
-
Lead Free Status / Rohs Status
 Details

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MC68331
USER’S MANUAL
Num
1
2
3
4
5
6
NOTES:
Num
PLL Reference Frequency Range
System Frequency
On-Chip PLL System Frequency
External Clock Operation
PLL Lock Time
VCO Frequency
Limp Mode Clock Frequency
CLKOUT Stability
1
The average chip-junction temperature (T
where
For most applications P
T
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 mea-
suring P
tained by solving equations (1) and (2) iteratively for any value of T
J
(if P
SYNCR X bit = 0
SYNCR X bit = 1
Short term (5 s interval)
Long term (500 s interval)
Thermal Resistance
I/O
Plastic 132-Pin Surface Mount
Plastic 144-Pin Surface Mount
Thin Plastic 144-Pin Surface Mount
D
is neglected) is:
T
P
P
P
(at equilibrium) for a known T
(V
A
D
INT
I/O
Table A-4 16.78 MHz Clock Control Timing
Characteristic
DD
Freescale Semiconductor, Inc.
2,3,4,5
6
and V
=
=
=
=
=
For More Information On This Product,
Table A-3 Thermal Characteristics
2,3,4,7
1
Ambient Temperature, C
Package Thermal Resistance, Junction-to-Ambient, C/W
P
I
Power Dissipation on Input and Output Pins — User Determined
ELECTRICAL CHARACTERISTICS
DD
DDSYN
Rating
INT
I/O
+ P
< P
V
Go to: www.freescale.com
DD
K = P
= 5.0 Vdc 10%, V
I/O
INT
32.768 kHz reference)
, Watts — Chip Internal Power
and can be neglected. An approximate relationship between P
D
P
T
+ (T
J
D
= T
= K
A
A
. Using this value of K, the values of P
J
A
+ 273 C) +
) in C can be obtained from:
+ (P
Symbol
(T
C
f
f
f
VCO
t
f
limp
sys
lpll
stab
J
ref
D
SS
+ 273 C)
Symbol
= 0 Vdc, T
)
0.131
–0.05
–0.5
Min
25
dc
dc
P
A
D
= T
2
Value
L
A
to T
38
46
49
.
2 (f
f
sys
f
H,
sys
16.78
16.78
16.78
sys
Max
0.05
0.5
50
20
max/2
max
max)
D
Unit
C/W
and T
MHz
MHz
MHz
Unit
kHz
ms
J
can be ob-
D
and
A-3
(1)
(3)
(2)
A

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