MC68EC030CFE25C Freescale Semiconductor, MC68EC030CFE25C Datasheet - Page 6

• Manufacturer Part Number: MC68EC030CFE25C
• Description: IC MPU 32BIT ENH 25MHZ 132-CQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC68EC030CFE25C

• Processor Type: M680x0 32-Bit
• Speed: 25MHz
• Voltage: 5V
• Mounting Type: Surface Mount
• Package / Case: 132-CQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -

6
The status register (see Figure 5) contains the interrupt priority mask (three bits) as well as the following
condition codes: extend (X), negate (N), zero (Z), overflow (V), and carry (C). Additional control bits
indicate that the controller is in the trace mode (T1 or T0), supervisor/user state (S), and master/interrupt
state (M).
31
31
31
31
31
31
31
31
MASTER/INTERRUPT STATE
SUPERVISOR/USER STATE
Figure 4. Supervisor Programming Model Supplement
TRACE ENABLE
Freescale Semiconductor, Inc.
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MC68EC030 TECHNICAL DATA
Figure 5. Status Register
16
16
T
15
1
15
15
15
15
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T 0
14
13
S
12
M
SYSTEM BYTE
8
11
0
CONDITION
7
PRIORITY MASK
10
I
INTERRUPT
CODES
2
(CCR)
I
9
1
I
2
8
0
OVERFLOW
0
0
0
0
0
0
0
0
0
0
7
0
NEGATIVE
A7'
(ISP)
A7"
(MSP)
SR
SFC
DFC
CACR
CAAR
EXTEND
ACUSR
VBR
AC0
AC1
CARRY
6
0
ZERO
5
0
USER BYTE
X
4
ALTERNATE FUNCTION
CODE REGISTERS
INTERRUPT
STACK POINTER
MASTER
STACK POINTER
STATUS
REGISTER
VECTOR
BASE REGISTER
CACHE CONTROL
REGISTER
CACHE ADDRESS
REGISTER
ACCESS CONTROL
REGISTER 0
ACCESS CONTROL
REGISTER 1
ACU STATUS
REGISTER
N
3
Z
2
1
V
C
0
M O T O R O L A