MC68060RC50 Freescale Semiconductor, MC68060RC50 Datasheet - Page 336
MC68060RC50
Manufacturer Part Number
MC68060RC50
Description
IC MPU 32BIT 50MHZ 206-PGA
Manufacturer
Freescale Semiconductor
Specifications of MC68060RC50
Processor Type
M680x0 32-Bit
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
206-PGA
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
50MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
3.3V
Operating Supply Voltage (max)
3.465V
Operating Supply Voltage (min)
3.135V
Operating Temp Range
0C to 110C
Operating Temperature Classification
Commercial
Mounting
Through Hole
Pin Count
206
Package Type
PGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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Quantity
Price
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Part Number:
MC68060RC50
Manufacturer:
MOTO
Quantity:
5 530
Company:
Part Number:
MC68060RC50C
Manufacturer:
MOTO
Quantity:
5 530
Company:
Part Number:
MC68060RC50C
Manufacturer:
MOTO
Quantity:
5 530
Company:
Part Number:
MC68060RC50C
Manufacturer:
SAMSUNG
Quantity:
5 704
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Applications Information
11.2.6 Clocking
For systems which have PCLK-to-BCLK skew controlled by a phase-locked-loop (PLL)
clock generator such as the 88915 or 88916, it is possible to connect the PCLK of the
MC68040 to the MC68060 CLK input as shown in Figure 11-8. Otherwise, the MC68060
CLK must be generated by an 88915 PLL as shown in Figure 11-9.
Appropriate generation of the CLKEN signal to enable 1/2-speed operation is easily
achieved by delaying the MC68040 BCLK by 5 ns before feeding it into the CLKEN input of
the MC68060.
Be aware that a clock skew exists between CLK and BCLK. The MC88915 can only control
the skew to within 1 ns. Figure 11-10 shows the relationship between BCLK and CLKEN.
11.2.7 PSTx Encoding
PSTx signal encoding is different between the MC68060 and MC68040. This should not
affect normal applications because PSTx signals are not used for bus control logic.
11-14
EXISTING
MC68040
SYSTEM
BCLK
EXISTING
MC68040
SYSTEM
Figure 11-9. Generic CLK Generation
Figure 11-8. Simple CLK Generation
BCLK
PCLK
VIRTUAL MC68040
M68060 USER’S MANUAL
FEEDBACK
SYNC0
VIRTUAL MC68040
2XQ
Q0
5 NS
CLKEN
CLK
5 ns
MC68060
CLKEN
CLK
MC68060
MOTOROLA
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