MC68EC040RC25 Freescale Semiconductor, MC68EC040RC25 Datasheet - Page 311

• Manufacturer Part Number: MC68EC040RC25
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC040RC25

• Family Name: M68000
• Device Core: ColdFire
• Device Core Size: 32b
• Frequency (max): 25MHz
• Instruction Set Architecture: RISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 179
• Package Type: PGA
• Lead Free Status / Rohs Status: Supplier Unconfirmed

10.6 INTEGER UNIT INSTRUCTION TIMINGS (Continued)
10-20
*This instruction interlocks the <ea> calculate and execute stages. Execution time for a DIV/0 exception taken and
Dn
An
(An)
(An)+
–(An)
(d 16 ,An)
(d 16 ,PC)
(xxx).W, (xxx).L
#<xxx>
(d 8 ,An,Xn)
(d 8 ,PC,Xn)
(BR,Xn)
(bd,BR,Xn)
([bd,BR,Xn])
([bd,BR,Xn],od)
([bd,BR],Xn)
([bd,BR],Xn,od)
exception processing is approximately 16 + <ea> calculate clocks. For example, DIV.W #0,Dn takes approximately
24 clocks in both the <ea> calculate and execute times to execute the divide instruction, perform exception stacking,
fetch the exception vector, and prefetch the next instruction.
Addressing
Mode
Calculate
<ea>
—
11
11
12
13
14
17
18
18
19
8
8
8
8
8
8
8
DIVS.W, DIVU.W *
Freescale Semiconductor, Inc.
For More Information On This Product,
Execute
3 L + 27
1 L + 30
1 L + 36
3 L + 35
1 L + 31
1 L + 32
1 L + 35
3 L + 34
—
27
30
27
27
27
27
27
27
M68040 USER’S MANUAL
Go to: www.freescale.com
Calculate
<ea>
—
11
12
10
12
13
14
15
18
19
19
20
11
DIVSL.L, DIVUL.L *
9
9
9
9
DIVS.L, DIVU.L,
Execute
2 L + 44
3 L + 44
2 L + 44
1 L + 44
1 L + 47
1 L + 48
1 L + 49
1 L + 52
1 L + 53
3 L + 51
3 L + 52
44
—
44
44
44
47
Calculate
<ea>
—
—
—
—
—
12
12
13
14
3
4
6
3
6
7
8
9
JMP
Execute
MOTOROLA
1 L + 11
1 L + 11
3 L + 10
3 L + 11
2 L + 1
3 L + 1
5 L + 1
2 L + 1
1 L + 6
1 L + 7
1 L + 8
—
—
—
—
—
6