MC908QL4MDTE Freescale Semiconductor, MC908QL4MDTE Datasheet - Page 185
MC908QL4MDTE
Manufacturer Part Number
MC908QL4MDTE
Description
IC MCU 8BIT 4K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QL3VDTE.pdf
(226 pages)
Specifications of MC908QL4MDTE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN (Local Interconnect Network)
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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CHxMAX — Channel x Maximum Duty Cycle Bit
15.8.5 TIM Channel Registers
These read/write registers contain the captured counter value of the input capture function or the output
compare value of the output compare function. The state of the TIM channel registers after reset is
unknown.
In input capture mode (MSxB:MSxA = 0:0), reading the high byte of the TIM channel x registers (TCHxH)
inhibits input captures until the low byte (TCHxL) is read.
In output compare mode (MSxB:MSxA ≠ 0:0), writing to the high byte of the TIM channel x registers
(TCHxH) inhibits output compares until the low byte (TCHxL) is written.
Freescale Semiconductor
When the TOVx bit is at 1, setting the CHxMAX bit forces the duty cycle of buffered and unbuffered
PWM signals to 100%. As
or cleared. The output stays at the 100% duty cycle level until the cycle after CHxMAX is cleared.
Reset:
Reset:
Read:
Write:
Read:
Write:
TCHx
CHxMAX
OVERFLOW
Bit 15
Bit 7
Bit 7
Bit 7
Figure 15-12. TIM Channel x Register High (TCHxH)
Figure 15-13. TIM Channel Register Low (TCHxL)
COMPARE
PERIOD
Figure 15-11
OUTPUT
Bit 14
Bit 6
6
6
OVERFLOW
Figure 15-11. CHxMAX Latency
MC68HC908QL4 Data Sheet, Rev. 8
Bit 13
Bit 5
5
5
shows, the CHxMAX bit takes effect in the cycle after it is set
COMPARE
OUTPUT
Indeterminate after reset
Indeterminate after reset
Bit 12
Bit 4
OVERFLOW
4
4
Bit 11
COMPARE
Bit 3
OUTPUT
3
3
OVERFLOW
Bit 10
Bit 2
2
2
COMPARE
OUTPUT
Bit 9
Bit 1
1
1
OVERFLOW
Bit 0
Bit 8
Bit 0
Bit 0
Registers
185
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