MC9S12P64CFT Freescale Semiconductor, MC9S12P64CFT Datasheet - Page 434
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MC9S12P64CFT
Manufacturer Part Number
MC9S12P64CFT
Description
MCU 16BIT 64K FLASH 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS12r
Datasheet
1.S9S12P32J0MFT.pdf
(566 pages)
Specifications of MC9S12P64CFT
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
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.72 V ~ 5.5 V
Data Converters
A/D 10x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°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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128 KByte Flash Module (S12FTMRC128K1V1)
All bits in the FCLKDIV register are readable, bit 7 is not writable, bit 6 is write-once-hi and controls the
writability of the FDIV field.
434
FDIVLCK
FDIV[5:0]
FDIVLD
Offset Module Base + 0x0000
Reset
Field
5–0
7
6
W
R
FDIVLD
Clock Divider Loaded
0 FCLKDIV register has not been written since the last reset
1 FCLKDIV register has been written since the last reset
Clock Divider Locked
0 FDIV field is open for writing
1 FDIV value is locked and cannot be changed. Once the lock bit is set high, only reset can clear this bit and
Clock Divider Bits — FDIV[5:0] must be set to effectively divide BUSCLK down to 1 MHz to control timed events
during Flash program and erase algorithms.
BUSCLK frequency. Please refer to
0
7
restore writability to the FDIV field.
The FCLKDIV register must never be written to while a Flash command is
executing (CCIF=0). The FCLKDIV register is writable during the Flash
reset sequence even though CCIF is clear.
= Unimplemented or Reserved
FDIVLCK
0
6
Figure 13-5. Flash Clock Divider Register (FCLKDIV)
Table 13-6. FCLKDIV Field Descriptions
S12P-Family Reference Manual, Rev. 1.13
0
5
Section 13.4.3, “Flash Command Operations,”
CAUTION
Table 13-7
0
4
Description
shows recommended values for FDIV[5:0] based on the
0
3
FDIV[5:0]
0
2
for more information.
Freescale Semiconductor
0
1
0
0
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