MC9S12NE64CPV Freescale Semiconductor, MC9S12NE64CPV Datasheet - Page 493
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MC9S12NE64CPV
Manufacturer Part Number
MC9S12NE64CPV
Description
IC MCU 25MHZ ETHERNT/PHY 112LQFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.MC9S12NE64VTU.pdf
(554 pages)
Specifications of MC9S12NE64CPV
Mfg Application Notes
MC9S12NE64 Integrated Ethernet Controller Implementing an Ethernet Interface with the MC9S12NE64 Web Server Development with MC9S12NE64 and Open TCP
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, Ethernet, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
70
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.375 V ~ 3.465 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
112-LQFP
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
I2C, SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
70
Number Of Timers
16 bit
Operating Supply Voltage
- 0.3 V to + 3 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 65 C
On-chip Adc
10 bit
For Use With
EVB9S12NE64E - BOARD EVAL FOR 9S12NE64DEMO9S12NE64E - DEMO BOARD FOR 9S12NE64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
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18.4.2.3
The definitions of begin- and end-trigger as used in the DBG module are as follows:
18.4.2.4
In DBG mode, arming occurs by setting DBGEN and ARM in DBGC1. The ARM bit in DBGC1 is cleared
when the trigger condition is met in end-trigger mode or when the Trace Buffer is filled in begin-trigger
mode. The TBC logic determines whether a trigger condition has been met based on the trigger mode and
the trigger selection.
18.4.2.5
The DBG module supports nine trigger modes. The trigger modes are encoded as shown in
The trigger mode is used as a qualifier for either starting or ending the storing of data in the trace buffer.
When the match condition is met, the appropriate flag A or B is set in DBGSC. Arming the DBG module
clears the A, B, and C flags in DBGSC. In all trigger modes except for the event-only modes and DETAIL
capture mode, change-of-flow addresses are stored in the trace buffer. In the event-only modes only the
value on the data bus at the trigger event B will be stored. In DETAIL capture mode address and data for
all cycles except program fetch (P) and free (f) cycles are stored in trace buffer.
18.4.2.5.1
In the A only trigger mode, if the match condition for A is met, the A flag in DBGSC is set and a trigger
occurs.
18.4.2.5.2
In the A or B trigger mode, if the match condition for A or B is met, the corresponding flag in DBGSC is
set and a trigger occurs.
18.4.2.5.3
In the A then B trigger mode, the match condition for A must be met before the match condition for B is
compared. When the match condition for A or B is met, the corresponding flag in DBGSC is set. The
trigger occurs only after A then B have matched.
Freescale Semiconductor
•
•
Begin-trigger: Storage in trace buffer occurs after the trigger and continues until 64 locations are
filled.
End-trigger: Storage in trace buffer occurs until the trigger, with the least recent data falling out of
the trace buffer if more than 64 words are collected.
Begin- and End-Trigger
Arming the DBG Module
Trigger Modes
A Only
A or B
A then B
When tagging and using A then B, if addresses A and B are close together,
then B may not complete the trigger sequence. This occurs when A and B
are in the instruction queue at the same time. Basically the A trigger has not
yet occurred, so the B instruction is not tagged. Generally, if address B is at
MC9S12NE64 Data Sheet, Rev. 1.1
NOTE
Functional Description
Table
18-6.
493
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