MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 93

• Manufacturer Part Number: MC68HC908LB8CPE
• Description: IC MCU 8K FLASH 8MHZ 20DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

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: -

10.4 Functional Description
Figure 10-3
Freescale Semiconductor
Addr.
$0051
$0052
$0053
$0054
$0055
$0056
$0057
$0058
$0059
HRP Timebase Register High
HRP Timebase Register Low
Frequency Dithering Control
HRP Period Register High
HRP Period Register Low
HRP Duty Cycle Register
HRP Duty Cycle Register
Register Name
HRP Deadtime Register
HRP Control Register
provides a block diagram of the module.
Register (HRPDCR)
When HRPMODE = 0, STEP[4:0] are mapped into the five least significant
bits of the HRPPERL register.
When HRPMODE = 1, STEP[4:0] are mapped into the five least significant
bits of the HRPDCL register.
High (HRPDCH)
Low (HRPDCL)
See page 105.
See page 107.
See page 107.
See page 107.
See page 107.
See page 108.
See page 108.
See page 108.
See page 109.
(HRPPERH)
(HRPCTRL)
(HRPPERL)
(HRPTBH)
(HRPTBL)
(HRPDT)
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Write:
Reset
Figure 10-2. HRP I/O Register Summary
Bit 7
DC10
TB15
DC2
DT7
TB7
P10
P2
0
0
0
0
0
0
0
MC68HC908LB8 Data Sheet, Rev. 1
= Unimplemented
SHTLVL
TB14
DC9
DC1
DT6
TB6
P9
P1
6
0
0
0
0
0
0
0
0
NOTE
HRPOE
TB13
DC8
DC0
DT5
TB5
P8
P0
5
0
0
0
0
0
0
0
0
STEP4
STEP4
SHTIF
TB12
DC7
DT4
TB4
P7
4
0
0
0
0
0
0
0
0
CLKSRC
STEP3
STEP3
SHTIE
TB11
DC6
DT3
TB3
P6
3
0
0
0
0
0
1
0
0
0
SHTEN
STEP3
STEP2
TB10
SEL2
DC5
DT2
TB2
P5
2
0
0
0
0
0
0
0
0
0
Functional Description
HRPMODE
STEP1
STEP1
SEL1
DC4
DT1
TB9
TB1
P4
1
0
0
0
0
0
0
0
0
0
HRPEN
STEP0
STEP0
Bit 0
SEL0
DC3
DT0
TB8
TB0
P3
0
0
0
0
0
0
0
0
0
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