MC68LC060ZU50 Freescale Semiconductor, MC68LC060ZU50 Datasheet - Page 36
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MC68LC060ZU50
Manufacturer Part Number
MC68LC060ZU50
Description
IC MPU 32BIT 68K 50MHZ 304-TBGA
Manufacturer
Freescale Semiconductor
Specifications of MC68LC060ZU50
Processor Type
M680x0 32-Bit
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
304-TBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
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Introduction
modifying the S-bit of the SR. After these instructions execute, the instruction pipeline is
flushed and is refilled from the appropriate address space.
The MC68060 integrates the functions of the integer unit, FPU, and MMU. The registers
depicted in the programming model (see Figure 1-2) provide operand storage and control
for these three units. The registers are partitioned into two levels of privilege modes: user
and supervisor. The user programming model is the same as the user programming model
of the MC68040, which consists of 16 general-purpose 32-bit registers, two control regis-
ters, eight 80-bit floating-point data registers, a floating-point control register, a floating-point
status register, and a floating-point instruction address register.
Only system programmers can use the supervisor programming model to implement oper-
ating system functions, I/O control, and memory management subsystems. This supervisor/
1-12
31
31
REGISTERS
REGISTERS
ADDRESS
DATA
(CCR)
0
0
D0
D1
D2
D3
D4
D5
D6
D7
A0
A1
A2
A3
A4
A5
A6
A7/USP
PC
CCR
PCR
A7/SSP
SR
VBR
SFC
DFC
CACR
URP
SRP
TC
DTT0
DTT1
ITT0
ITT1
BUSCR
Figure 1-2. Programming Model
79
USER STACK POINTER
CONDITION CODE REGISTER
PROGRAM COUNTER
USER ROOT POINTER REGISTER
PROCESSOR CONFIGURATION REGISTER
SUPERVISOR STACK POINTER
STATUS REGISTER (CCR IS ALSO SHOWN IN THE USER PROGRAMMING MODEL)
VECTOR BASE REGISTER
SOURCE FUNCTION CODE
DESTINATION FUNCTION CODE
CACHE CONTROL REGISTER
SUPERVISOR ROOT POINTER REGISTER
TRANSLATION CONTROL REGISTER
DATA TRANSPARENT TRANSLATION REGISTER 0
DATA TRANSPARENT TRANSLATION REGISTER 1
INSTRUCTION TRANSPARENT TRANSLATION REGISTER 0
INSTRUCTION TRANSPARENT TRANSLATION REGISTER 1
BUS CONTROL REGISTER
M68060 USER’S MANUAL
SUPERVISOR PROGRAMMING MODEL
USER PROGRAMMING MODEL
FP INSTRUCTION ADDRESS REGISTER
FP CONTROL REGISTER
FP STATUS REGISTER
FLOATING-POINT
REGISTERS
DATA
31
0
15
MOTOROLA
0
0
FP0
FP1
FP2
FP3
FP4
FP5
FP6
FP7
FPCR
FPSR
FPIAR
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