LFEBS12UB Freescale Semiconductor, LFEBS12UB Datasheet - Page 482

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

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 11 S12XE Clocks and Reset Generator (S12XECRGV1)
11.3.2.8
This register selects the timeout period for the Real Time Interrupt.
Read: Anytime
Write: Anytime
482
Module Base + 0x0007
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
RTR[6:4]
RTR[3:0]
RTDEC
Reset
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
Field
6–4
3–0
0000 (÷1)
RTR[3:0]
7
W
R
RTDEC
Decimal or Binary Divider Select Bit — RTDEC selects decimal or binary based prescaler values.
0 Binary based divider value. See
1 Decimal based divider value. See
Real Time Interrupt Prescale Rate Select Bits — These bits select the prescale rate for the RTI. See
10
Real Time Interrupt Modulus Counter Select Bits — These bits select the modulus counter target value to
provide additional
RTICTL register. The source clock for the RTI is OSCCLK.
S12XECRG RTI Control Register (RTICTL)
0
7
A write to this register initializes the RTI counter.
and
Table
OFF
(OFF)
000
11-11.
RTR6
(1)
Figure 11-10. S12XECRG RTI Control Register (RTICTL)
Table 11-10. RTI Frequency Divide Rates for RTDEC = 0
0
6
granularity.Table 11-10
MC9S12XE-Family Reference Manual , Rev. 1.23
(2
001
2
Table 11-9. RTICTL Field Descriptions
10
10
Table 11-8. FM Amplitude selection
)
RTR5
FM1
5
0
0
0
1
1
Table 11-10
Table 11-11
(2
010
2
11
11
0
1
0
1
)
and
RTR4
NOTE
FM0
0
4
Table 11-11
Description
(2
011
2
12
12
RTR[6:4] =
)
FM Amplitude /
FM off
±1%
±2%
±4%
f
VCO
RTR3
show all possible divide values selectable by the
0
3
Variation
(2
100
2
13
13
)
RTR2
2
0
(2
101
2
14
14
)
Freescale Semiconductor
RTR1
0
1
(2
110
2
15
15
)
RTR0
Table 11-
(2
111
2
0
0
16
16
)