MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 109
MC68HC908LB8CPE
Manufacturer Part Number
MC68HC908LB8CPE
Description
IC MCU 8K FLASH 8MHZ 20DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908LB8CDWE.pdf
(234 pages)
Specifications of MC68HC908LB8CPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVR, POR, PWM
Number Of I /o
18
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 7x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LB8CPE
Manufacturer:
IR
Quantity:
10
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10.8.6 Frequency Dithering Control Register
This read/write register selects the clock source for the dithering controller, and selects the number of
dithering steps and modulus value of the dithering counter.
CLKSRC — Dithering Clock Source
SEL[2:0] — Dithering Step/Modulus Select
Freescale Semiconductor
This read/write bit selects the clock source for the 5-bit dithering counter.
These read/write bits select the number of steps used by the dithering counter and set the scaling
factor for the STEP[4:0] bits.
1 = The dithering counter is clocked from the 16-bit timebase
0 = The dithering counter is clocked from the output of the dual frequency generator counter
Address: $0059
Reset:
Read:
Write:
Figure 10-15. Frequency Dithering Control Register (HRPDCR)
NOTES:
1. No dithering occurs for this setting.
SEL[2:0]
CLKSEL
5
Bit 15
0
1
2
3
4
6
7
(1)
0
1
= Unimplemented
14
Dual Frequency Generator
Number of Steps
MC68HC908LB8 Data Sheet, Rev. 1
16 bit timebase
Clock Source
Reserved
Reserved
32
16
13
8
4
2
0
Table 10-5
Table 10-6
12
CLKSRC
11
0
Divide STEP[4:0] by...
HRPTBH:HRPTBL
------------------------------------------------- -
Reserved
Reserved
Timebase
SEL2
------------------------- -
HRPCLK
HRPCLK
P(10:0)
10
0
16
32
1
2
4
8
SEL1
9
0
SEL0
Bit 8
0
HRP Registers
109
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