MC68360ZP25L Freescale Semiconductor, MC68360ZP25L Datasheet - Page 149
MC68360ZP25L
Manufacturer Part Number
MC68360ZP25L
Description
IC MPU QUICC 25MHZ 357-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68EN360VR25L.pdf
(14 pages)
2.MC68EN360VR25L.pdf
(2 pages)
3.MC68360AI25L.pdf
(962 pages)
Specifications of MC68360ZP25L
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
357-PBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
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5.2.2 Registers
Registers D7–D0 are used as data registers for bit, byte (8-bit), word (16-bit), long-word (32-
bit), and quad-word (64-bit) operations. Registers A6 to A0 and the USP and SSP are
address registers that may be used as software SPs or base address registers. Register A7
(shown as A7 and A7' in Figure 5-3 and Figure 5-4) is a register designation that applies to
the USP in the user privilege level and to the SSP in the supervisor privilege level. In addi-
tion, address registers may be used for word and long-word operations. All 16 general-pur-
pose registers (D7–D0, A7–A0) may be used as index registers.
The Program Counter (PC) contains the address of the next instruction to be executed by
the CPU32+. During instruction execution and exception processing, the processor auto-
matically increments the contents of the PC or places a new value in the PC, as appropriate.
The Status Register (SR) (see Figure 5-5) contains condition codes, an interrupt priority
mask (three bits), and three control bits. Condition codes reflect the results of a previous
operation. The codes are contained in the low byte (CCR) of the SR. The interrupt priority
mask determines the level of priority an interrupt must have to be acknowledged. The control
bits determine trace mode and privilege level. At user privilege level, only the CCR is avail-
able. At supervisor privilege level, software can access the full SR.
The Vector Base Register (VBR) contains the base address of the exception vector table in
memory. The displacement of an exception vector is added to the value in this register to
access the vector table.
Alternate source and destination function code registers (SFC and DFC) contain 3-bit func-
tion codes. The CPU32+ generates a function code each time it accesses an address. Spe-
cific codes are assigned to each type of access. The codes can be used to select eight
dedicated 4-Gbyte address spaces. The MOVEC instruction can use registers SFC and
DFC to specify the function code of a memory address.
31
31
31
Figure 5-4. Supervisor Programming Model Supplement
Freescale Semiconductor, Inc.
For More Information On This Product,
MC68360 USER’S MANUAL
16 15
Go to: www.freescale.com
8 7
(CCR)
3
2
0
0
0
0
A7 (SSP)
SR
VBR
SFC
DFC
SUPERVISOR STACK
POINTER
STATUS REGISTER
REGISTERS
VECTOR BASE
REGISTER
ALTERNATE
FUNCTION CODE
CPU32+
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