MC9S08GB32 Motorola, MC9S08GB32 Datasheet - Page 111

• Manufacturer Part Number: MC9S08GB32
• Description: Microcontrollers
• Manufacturer: Motorola

Freescale Semiconductor
1. Ensure that
1. This bit is reserved for Freescale Semiconductor internal use only. Any write operations to this register should
SCM — self-clocked mode (FLL bypassed
internal)
FBE — FLL bypassed external
FEI — FLL engaged internal
FEE — FLL engaged external
write a 0 to this bit.
ICGFLTU
ICGFLTL
ICGTRM
Register
ICGC1
ICGC2
ICGS1
ICGS2
MFD Value
000
001
010
011
100
101
110
111
f
Clock Scheme
ICGDCLK
LOLRE
Bit 7
0
0
0
Multiplication Factor (N)
CLKST
, which is equal to
= Unimplemented or Reserved
Table 7-5. ICGOUT Frequency Calculation Options
RANGE
6
0
0
10
12
14
16
18
4
6
8
Table 7-6. MFD and RFD Decode Table
MC9S08GB/GT Data Sheet, Rev. 2.3
Figure 7-7. ICG Register Set
REFST
f
REFS
ICGOUT
MFD
5
0
0
(f
IRG
f
ext
f
ICGDCLK
f
ICGOUT
/ 7)* 64*N / R
* R, does not exceed f
f
* P * N / R
ext
LOLS
/ R
4
0
0
(1)
/ R
CLKS
TRIM
FLT
RFD
LOCRE
000
001
010
011
100
101
110
111
LOCK
Range = 0 ; P = 64
Range = 1; P = 1
3
0
ICGDCLKmax.
NA
NA
64
P
OSCSTEN
LOCS
2
0
Division Factor (R)
Initialization/Application Information
FLT
Typical f
÷128
ERCS
Typical f
÷16
÷32
÷64
RFD
÷1
÷2
÷4
÷8
0
1
0
(1)
out of reset
ICGOUT
IRG
Note
= 243 kHz
DCOS
ICGIF
Bit 0
= 8 MHz
0
111