S9S12P96J0MFT Freescale Semiconductor, S9S12P96J0MFT Datasheet - Page 142
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S9S12P96J0MFT
Manufacturer Part Number
S9S12P96J0MFT
Description
MCU 96K FLASH AUTO 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of S9S12P96J0MFT
Core Processor
HCS12
Core Size
16-Bit
Speed
32MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
6K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
48-QFN Exposed Pad
Processor Series
S12P
Core
HCS12
3rd Party Development Tools
EWHCS12
Development Tools By Supplier
KIT33812ECUEVME, DEMO9S12PFAME
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Background Debug Module (S12SBDMV1)
For hardware data read commands, the external host must wait at least 150 bus clock cycles after sending
the address before attempting to obtain the read data. This is to be certain that valid data is available in the
BDM shift register, ready to be shifted out. For hardware write commands, the external host must wait
150 bus clock cycles after sending the data to be written before attempting to send a new command. This
is to avoid disturbing the BDM shift register before the write has been completed. The 150 bus clock cycle
delay in both cases includes the maximum 128 cycle delay that can be incurred as the BDM waits for a
free cycle before stealing a cycle.
For BDM firmware read commands, the external host should wait at least 48 bus clock cycles after sending
the command opcode and before attempting to obtain the read data. The 48 cycle wait allows enough time
for the requested data to be made available in the BDM shift register, ready to be shifted out.
For BDM firmware write commands, the external host must wait 36 bus clock cycles after sending the data
to be written before attempting to send a new command. This is to avoid disturbing the BDM shift register
before the write has been completed.
The external host should wait for at least for 76 bus clock cycles after a TRACE1 or GO command before
starting any new serial command. This is to allow the CPU to exit gracefully from the standard BDM
firmware lookup table and resume execution of the user code. Disturbing the BDM shift register
prematurely may adversely affect the exit from the standard BDM firmware lookup table.
Figure 5-6
times starting with a falling edge. The bar across the top of the blocks indicates that the BKGD line idles
in the high state. The time for an 8-bit command is 8 × 16 target clock cycles.
1. Target clock cycles are cycles measured using the target MCU’s serial clock rate. See
142
and
Section 5.3.2.1, “BDM Status Register (BDMSTS)”
represents the BDM command structure. The command blocks illustrate a series of eight bit
If the bus rate of the target processor is unknown or could be changing, it is
recommended that the ACK (acknowledge function) is used to indicate
when an operation is complete. When using ACK, the delay times are
automated.
S12P-Family Reference Manual, Rev. 1.13
for information on how serial clock rate is selected.
NOTE
Section 5.4.6, “BDM Serial Interface”
1
Freescale Semiconductor
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