LFEBS12UB Freescale Semiconductor, LFEBS12UB Datasheet - Page 1154

KIT STUDENT LEARNING S12 DG128

LFEBS12UB

Manufacturer Part Number
LFEBS12UB
Description
KIT STUDENT LEARNING S12 DG128
Manufacturer
Freescale Semiconductor
Datasheets

Specifications of LFEBS12UB

Architecture
8/16-bit
Code Gen Tools Included
Code Warrior
Silicon Manufacturer
Freescale
Core Architecture
S12
Core Sub-architecture
S12
Silicon Core Number
MC9S12
Silicon Family Name
S12D
Kit Contents
HCS12 DG128 Learning Kit
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Chapter 29 1024 KByte Flash Module (S12XFTM1024K5V2)
29.3.2.1
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.
1154
FDIV[6:0]
FDIVLD
Address
Offset Module Base + 0x0000
Reset
& Name
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
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
Figure 29-4. FTM1024K5 Register Summary (continued)
Section 29.4.1, “Flash Command Operations,”
0
6
Figure 29-5. Flash Clock Divider Register (FCLKDIV)
= Unimplemented or Reserved
Table 29-9
MC9S12XE-Family Reference Manual , Rev. 1.23
6
Table 29-8. FCLKDIV Field Descriptions
0
5
shows recommended values for FDIV[6:0] based on OSCCLK frequency.
5
CAUTION
0
4
Description
4
FDIV[6:0]
0
3
for more information.
3
0
2
2
Freescale Semiconductor
0
1
1
0
0
0

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