S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 843
S912XET512J3VALR
Manufacturer Part Number
S912XET512J3VALR
Description
16-bit Microcontrollers - MCU 16 BIT,512K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XET512J3VALR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12XE
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 KB
Data Ram Size
32 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-112
Mounting Style
SMD/SMT
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XET512J3VALR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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24.3.2.1
The FCLKDIV register is used to control timed events in program and erase algorithms.
All bits in the FCLKDIV register are readable, bits 6–0 are write once and bit 7 is not writable.
Freescale Semiconductor
FDIV[6:0]
FDIVLD
Address
Offset Module Base + 0x0000
Reset
& Name
0x0013
FRSV2
Field
6–0
7
W
R
FDIVLD
Clock Divider Loaded
0 FCLKDIV register has not been written
1 FCLKDIV register has been written since the last reset
Clock Divider Bits — FDIV[6:0] must be set to effectively divide OSCCLK down to generate an internal Flash
clock, FCLK, with a target frequency of 1 MHz for use by the Flash module to control timed events during program
and erase algorithms.
Please refer to
Flash Clock Divider Register (FCLKDIV)
0
7
W
R
The FCLKDIV register should never be written 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
7
0
Section 24.4.1, “Flash Command Operations,”
Figure 24-4. FTM128K2 Register Summary (continued)
0
6
Figure 24-5. Flash Clock Divider Register (FCLKDIV)
= Unimplemented or Reserved
Table 24-9
MC9S12XE-Family Reference Manual Rev. 1.25
6
0
Table 24-8. FCLKDIV Field Descriptions
0
5
shows recommended values for FDIV[6:0] based on OSCCLK frequency.
5
0
CAUTION
0
4
Description
4
0
FDIV[6:0]
Chapter 24 128 KByte Flash Module (S12XFTM128K2V1)
0
3
for more information.
3
0
0
2
2
0
0
1
1
0
0
0
0
0
843
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