MC68EC000EI20 Freescale Semiconductor, MC68EC000EI20 Datasheet - Page 395
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MC68EC000EI20
Manufacturer Part Number
MC68EC000EI20
Description
IC MPU 32BIT 20MHZ 68-PLCC
Manufacturer
Freescale Semiconductor
Specifications of MC68EC000EI20
Processor Type
M680x0 32-Bit
Speed
20MHz
Voltage
3.3V, 5V
Mounting Type
Surface Mount
Package / Case
68-PLCC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
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FMOVEM
MOTOROLA
Register-to-Memory—Only control alterable addressing modes or the predecrement
dr field—Specifies the direction of the transfer.
Register List field—Contains the register select mask. If a register is to be moved, the
0 — Move the listed registers from memory to the floating-point unit.
1 — Move the listed registers from the floating-point unit to memory.
addressing mode can be used as listed in the following table:
corresponding bit in the list is set; otherwise, it is clear. At least one register must
be specified.
*Only if a single floating-point control register is selected.
**Only if the floating-point instruction address register is the single register selected.
Addressing Mode
([bd,An,Xn],od)
([bd,An],Xn,od)
M68000 FAMILY PROGRAMMER’S REFERENCE MANUAL
(bd,An,Xn)
(d
(d
8
(An) +
– (An)
An**
,An,Xn)
(An)
16
Dn*
,An)
Move Multiple Floating-Point
Bit Number
12
11
10
Control Registers
(MC6888X, MC68040)
Mode
000
001
010
011
100
101
110
110
110
110
Floating-Point Control Register
Floating-Point Status Register
reg. number:Dn
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
reg. number:An
Floating-Point Instruction
Register
Address Register
Register
Addressing Mode
([bd,PC,Xn],od)
([bd,PC],Xn,od)
(d
(bd,PC,Xn)
# < data >
(d
(xxx).W
(xxx).L
8
,PC,Xn)
16
,PC)
Floating Point Instructions
FMOVEM
Mode
111
111
—
—
—
—
—
—
Register
000
001
—
—
—
—
—
—
5-93
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