MC68EC000EI8 Freescale Semiconductor, MC68EC000EI8 Datasheet - Page 448

• Manufacturer Part Number: MC68EC000EI8
• Description: IC MPU 32BIT 85MHZ 68-PLCC
• Manufacturer: Freescale Semiconductor
• Series: M68000r

Specifications of MC68EC000EI8

• Processor Type: M680x0 32-Bit
• Speed: 8MHz
• Voltage: 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 68-PLCC
• Core Size: 32 Bit
• Cpu Speed: 8MHz
• Digital Ic Case Style: PLCC
• No. Of Pins: 68
• Supply Voltage Range: 3V To 3.6V
• Operating Temperature Range: 0°C To +70°C
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Clock Frequency: 8MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

Floating Point Instructions
FTRAPcc
Instruction Format:
Instruction Fields:
5-146
15
1
0
Mode field—Specifies the form of the instruction.
Conditional Predicate field—Specifies one of 32 conditional tests as described in 3.6.2
Operand field—Contains an optional word or long-word operand that is user defined.
14
1
0
Conditional Testing.
010 — The instruction is followed by a word operand.
011 — The instruction is followed by a long-word operand.
100 — The instruction has no operand.
13
When a BSUN exception occurs, a preinstruction exception is
taken by the main processor. If the exception handler returns
without modifying the image of the program counter on the stack
frame (to point to the instruction following the FTRAPcc), it must
clear the cause of the exception (by clearing the NAN bit or dis-
abling the BSUN trap), or the exception occurs again immediate-
ly upon return to the routine that caused the exception.
1
0
16-BIT OPERAND OR MOST SIGNIFICANT WORD OF 32-BIT OPERAND (IFNEEDED)
12
1
0
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
LEAST SIGNIFICANT WORD OR 32-BIT OPERAND (IF NEEDED)
Trap on Floating-Point Condition
11
0
COPROCESSOR
10
ID
0
(MC6888X, MC68040)
9
0
8
0
0
NOTE
7
0
0
6
1
0
5
1
CONDITIONAL PREDICATE
4
1
3
FTRAPcc
1
2
MOTOROLA
MODE
1
0