S9S12G64F0CLFR Freescale Semiconductor, S9S12G64F0CLFR Datasheet - Page 401
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S9S12G64F0CLFR
Manufacturer Part Number
S9S12G64F0CLFR
Description
16-bit Microcontrollers - MCU S12 Core,64K FLASH AU
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G64F0CLFR
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
1 MHz
Program Memory Size
64 KB
Data Ram Size
8 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-48
Mounting Style
SMD/SMT
A/d Bit Size
10 bit, 12 bit
A/d Channels Available
12
Interface Type
SPI
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
40
Number Of Timers
8
Program Memory Type
Flash
Supply Voltage - Max
5.5 V
Supply Voltage - Min
3.13 V
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10.3.2.20 S12CPMU Protection Register (CPMUPROT)
This register protects the following clock configuration registers from accidental overwrite:
CPMUSYNR, CPMUREFDIV, CPMUCLKS, CPMUPLL, CPMUIRCTRIMH/L and CPMUOSC
Read: Anytime
Write: Anytime
Freescale Semiconductor
0x02FB
Reset
PROT
Field
0
W
R
Clock Configuration Registers Protection Bit — This bit protects the clock configuration registers from
accidental overwrite (see list of affected registers above):
Writing 0x26 to the CPMUPROT register clears the PROT bit, other write accesses set the PROT bit.
0 Protection of clock configuration registers is disabled.
1 Protection of clock configuration registers is enabled. (see list of protected registers above).
0
0
7
Figure 10-28. S12CPMU Protection Register (CPMUPROT)
0
0
6
MC9S12G Family Reference Manual, Rev.1.23
0
0
5
0
0
4
Description
S12 Clock, Reset and Power Management Unit (S12CPMU)
0
0
3
0
0
2
0
0
1
PROT
0
0
403
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