MC68HC908LB8CPE Freescale Semiconductor, MC68HC908LB8CPE Datasheet - Page 198
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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Timer Interface Module (TIM)
CHxF — Channel x Flag Bit
198
•
•
•
When channel x is an input capture channel, this read/write bit is set when an active edge occurs on
the channel x pin. When channel x is an output compare channel, CHxF is set when the value in the
TIM counter registers matches the value in the TIM channel x registers.
When TIM CPU interrupt requests are enabled (CHxIE = 1), clear CHxF by reading TIM channel x
status and control register with CHxF set and then writing a 0 to CHxF. If another interrupt request
occurs before the clearing sequence is complete, then writing 0 to CHxF has no effect. Therefore, an
interrupt request cannot be lost due to inadvertent clearing of CHxF.
Reset clears the CHxF bit. Writing a 1 to CHxF has no effect.
1 = Input capture or output compare on channel x
0 = No input capture or output compare on channel x
Selects output toggling on TIM overflow
Selects 0% and 100% PWM duty cycle
Selects buffered or unbuffered output compare/PWM operation
Address: $0025
Address: $0028
Reset:
Reset:
Read:
Read:
Write:
Write:
Figure 18-10. TIM Channel 0 Status and Control Register (TSC0)
Figure 18-11. TIM Channel 1 Status and Control Register (TSC1)
CH0F
CH1F
Bit 7
Bit 7
0
0
0
0
CH0IE
CH1IE
6
0
6
0
MC68HC908LB8 Data Sheet, Rev. 1
MS0B
5
0
5
0
0
MS0A
MS1A
4
0
4
0
ELS0B
ELS1B
3
0
3
0
ELS0A
ELS1A
2
0
2
0
TOV0
TOV1
1
0
1
0
Freescale Semiconductor
CH0MAX
CH1MAX
Bit 0
Bit 0
0
0
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