MC68EC000EI8 Freescale Semiconductor, MC68EC000EI8 Datasheet - Page 44

• 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: -

For effective addresses that use a full extension word format, the index suppress (IS) bit and
the index/indirect selection (I/IS) field determine the type of indexing and indirect action.
Table 2-2 lists the index and indirect operations corresponding to all combinations of IS and
I/IS values.
MOTOROLA
Mode
Register
D/A
W/L
Scale
BS
IS
BD SIZE
I/IS
Table 2-1. Instruction Word Format Field Definitions
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Field
Addressing Mode
General Register Number
Index Register Type
Word/Long-Word Index Size
Scale Factor
Base Register Suppress
Index Suppress
Base Displacement Size
Index/Indirect Selection
Indirect and Indexing Operand Determined in Conjunc-
tion with Bit 6, Index Suppress
0 = Dn
1 = An
0 = Sign-Extended Word
1 = Long Word
00 = 1
01 = 2
10 = 4
11 = 8
0 = Base Register Added
1 = Base Register Suppressed
0 = Evaluate and Add Index Operand
1 = Suppress Index Operand
00 = Reserved
01 = Null Displacement
10 = Word Displacement
11 = Long Displacement
Extensions
Instruction
Definition
Addressing Capabilities
2-3