MC68EC000EI8 Freescale Semiconductor, MC68EC000EI8 Datasheet - Page 82

IC MPU 32BIT 85MHZ 68-PLCC

MC68EC000EI8

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

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
-

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3.1.7 Binary-Coded Decimal Instructions
Five instructions support operations on binary-coded decimal (BCD) numbers. The
arithmetic operations on packed BCD numbers are ABCD, SBCD, and NBCD. PACK and
UNPK instructions aid in the conversion of byte-encoded numeric data, such as ASCII or
EBCDIC strings to BCD data and vice versa. Table 3-8 summarizes BCD operations. In
Table 3- 8 X refers to the X-bit in the CCR.
3.1.8 Program Control Instructions
A set of subroutine call and return instructions and conditional and unconditional branch
instructions perform program control operations. Also included are test operand instructions
(TST and FTST), which set the integer or floating-point condition codes for use by other
program and system control instructions. NOP forces synchronization of the internal
pipelines. Table 3-9 summarizes these instructions.
MOTOROLA
Instruction
ABCD
NBCD
SBCD
UNPK
PACK
–(An), –(An) #<data>
–(An),–(An) #<data>
Operand Syntax
Dn,Dn,#<data>
Dn,Dn,#<data>
–(An), –(An)
–(An), –(An)
Table 3-8. Binary-Coded Decimal Operation Format
Dn,Dn
Dn,Dn
<ea>
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
Operand Size
16
16
8
8
8
8
8
8
8
16
16
8
8
Source
0 – Destination
Unpackaged Source + Immediate Data
Destination
Destination
Packed Source
Unpacked Source + Immediate Data
Unpacked Destination
10
+ Destination
10 –
10
Source
– X
Unpacked Source
10 –
10
Destination
Operation
+ X
X
Destination
Instruction Set Summary
Destination
Packed
3-11

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