MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 748

• Manufacturer Part Number: MPC555CME
• Description: KIT EVALUATION FOR MPC555
• Manufacturer: Freescale Semiconductor
• Type: Microcontrollerr

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

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