MC68EC060RC50 Freescale Semiconductor, MC68EC060RC50 Datasheet - Page 127

• Manufacturer Part Number: MC68EC060RC50
• Description: IC MPU 32BIT 50MHZ 206-PGA
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC060RC50

• 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

MOTOROLA
Sign (s)
Biased Exponent (e)
Fraction (f)
Total
Positive Fraction
Negative Fraction
Bias of Biased Exponent
Range of Biased Exponent
Range of Fraction
Fraction
Relation to Representation of Real Numbers
Biased Exponent Format Minimum
Bias of Biased Exponent
Range of Fraction
Fraction
Relation to Representation of Real Numbers
Biased Exponent Format Minimum
Fraction (Mantissa/Significand)
Biased Exponent Format Maximum
Fraction
Sign
Biased Exponent Format Maximum
Fraction
Representation of Fraction
Maximum Positive Normalized
Minimum Positive Normalized
Minimum Positive Denormalized
Nonsignaling
Signaling
Nonzero Bit Pattern Created by User
Fraction When Created by FPU
Table 6-5. Double-Precision Real Format Summary
63 62
s
M68060 USER’S MANUAL
Denormalized Numbers
e
Interpretation of Sign
Normalized Numbers
Approximate Ranges
Field Size (in Bits)
52 51
Signed Infinities
Signed Zeros
Data Format
NANs
f
(–1) s
0 < e < 2047 ($7FF)
(–1) s
Zero or Nonzero
.11111…1111
+1022 ($3FE)
+1023 ($3FF)
.1xxxx…xxxx
.0xxxx…xxxx
.xxxxx…xxxx
2.2 x 10 –308
4.9 x 10 –324
2047 ($7FF)
2047 ($7FF)
1.8 x 10 308
0
Nonzero
Nonzero
0 ($000)
0.f = 0.0
0.f = 0.0
0 ($00)
2 e–1023
0 or 1
s = 0
s = 1
2 –1022
11
52
64
1.f
0.f
1
0.f
1.f
Floating-Point Unit
6-9