MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 748
MPC555CME
Manufacturer Part Number
MPC555CME
Description
KIT EVALUATION FOR MPC555
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Datasheet
1.MPC555CME.pdf
(966 pages)
Specifications of MPC555CME
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC555
Data Bus Width
32 bit
Interface Type
RS-232
For Use With/related Products
MPC555
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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LCTRL2 is cleared following reset.
21.7.9 Breakpoint Counter A Value and Control Register
MPC555
USER’S MANUAL
COUNTA — Breakpoint Counter A Value and Control Register
Bit(s)
16:29
30:31
0:15
16
0
0
Bits
RESET:
For each watchpoint, three control register fields (LWxIA, LWxLA, LWxLD) must be
programmed. For a watchpoint to be asserted, all three conditions must be detected.
COUNTA[16:31] are cleared following reset; COUNTA[0:15] are unaffected by reset.
28
29
30
31
Table 21-25 Breakpoint Counter A Value and Control Register (COUNTA)
17
/
1
0
Name
CNTV
CNTC
MPC556
—
Mnemonic
18
DLW0EN
DLW1EN
SLW0EN
SLW1EN
2
0
Counter preset value
Reserved
Counter source select
00 = not active (reset value)
01 = I-bus first watchpoint
10 =L-bus first watchpoint
11 = Reserved
Table 21-24 LCTRL2 Bit Descriptions (Continued)
19
3
0
20
4
0
Development port trap enable
selection of the 1st L-bus watch-
point
(read only bit)
Development port trap enable
selection of the 2nd L-bus
watchpoint
(read only bit)
Software trap enable selection
of the 1st L-bus watchpoint
Software trap enable selection
of the 2nd L-bus watchpoint
21
5
0
DEVELOPMENT SUPPORT
Description
Rev. 15 October 2000
RESERVED
22
6
0
RESET: UNAFFECTED
23
7
0
CNTV
24
8
0
Description
0 = trap disabled (reset value)
1 = trap enabled
25
9
0
10
26
0
11
27
0
Function
12
28
0
13
29
0
MOTOROLA
SPR 150
14
30
0
CNTC
21-52
15
31
0
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