S9S12G64F0MLH Freescale Semiconductor, S9S12G64F0MLH Datasheet - Page 326
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S9S12G64F0MLH
Manufacturer Part Number
S9S12G64F0MLH
Description
16-bit Microcontrollers - MCU S12 Core,64k Flash
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G64F0MLH
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
2 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
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S12S Debug Module (S12SDBGV2)
Read: DBGACTL if COMRV[1:0] = 00
DBGBCTL if COMRV[1:0] = 01
DBGCCTL if COMRV[1:0] = 10
Write: DBGACTL if COMRV[1:0] = 00 and DBG not armed
DBGBCTL if COMRV[1:0] = 01 and DBG not armed
DBGCCTL if COMRV[1:0] = 10 and DBG not armed
Table 8-23
corresponding TAG bit is set since the match occurs based on the tagged opcode reaching the execution
stage of the instruction queue.
328
(Comparator A)
(Comparators
(Comparators
A and B)
A and B)
COMPE
Field
RWE
NDB
BRK
SZE
TAG
RW
SZ
7
6
5
4
3
2
1
0
shows the effect for RWE and RW on the comparison conditions. These bits are ignored if the
Size Comparator Enable Bit — The SZE bit controls whether access size comparison is enabled for the
associated comparator. This bit is ignored if the TAG bit in the same register is set.
0 Word/Byte access size is not used in comparison
1 Word/Byte access size is used in comparison
Size Comparator Value Bit — The SZ bit selects either word or byte access size in comparison for the
associated comparator. This bit is ignored if the SZE bit is cleared or if the TAG bit in the same register is set.
0 Word access size is compared
1 Byte access size is compared
Tag Select— This bit controls whether the comparator match has immediate effect, causing an immediate
state sequencer transition or tag the opcode at the matched address. Tagged opcodes trigger only if they
reach the execution stage of the instruction queue.
0 Allow state sequencer transition immediately on match
1 On match, tag the opcode. If the opcode is about to be executed allow a state sequencer transition
Break— This bit controls whether a comparator match terminates a debug session immediately, independent
of state sequencer state. To generate an immediate breakpoint the module breakpoints must be enabled
using the DBGC1 bit DBGBRK.
0 The debug session termination is dependent upon the state sequencer and trigger conditions.
1 A match on this channel terminates the debug session immediately; breakpoints if active are generated,
Read/Write Comparator Value Bit — The RW bit controls whether read or write is used in compare for the
associated comparator. The RW bit is not used if RWE = 0. This bit is ignored if the TAG bit in the same
register is set.
0 Write cycle is matched1Read cycle is matched
Read/Write Enable Bit — The RWE bit controls whether read or write comparison is enabled for the
associated comparator.This bit is ignored if the TAG bit in the same register is set
0 Read/Write is not used in comparison
1 Read/Write is used in comparison
Not Data Bus — The NDB bit controls whether the match occurs when the data bus matches the comparator
register value or when the data bus differs from the register value. This bit is ignored if the TAG bit in the same
register is set. This bit is only available for comparator A.
0 Match on data bus equivalence to comparator register contents
1 Match on data bus difference to comparator register contents
Determines if comparator is enabled
0 The comparator is not enabled
1 The comparator is enabled
tracing, if active, is terminated and the module disarmed.
MC9S12G Family Reference Manual, Rev.1.23
Table 8-22. DBGXCTL Field Descriptions
Description
Freescale Semiconductor
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