MC68HC908JL8CDW Freescale Semiconductor, MC68HC908JL8CDW Datasheet - Page 108
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MC68HC908JL8CDW
Manufacturer Part Number
MC68HC908JL8CDW
Description
IC MCU 8K FLASH 8MHZ 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JL8CDWER.pdf
(212 pages)
Specifications of MC68HC908JL8CDW
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
23
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 13x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JL8CDW
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
Part Number:
MC68HC908JL8CDWE
Manufacturer:
FREESCALE
Quantity:
20 000
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Timer Interface Module (TIM)
8.4.1 TIM Counter Prescaler
The TIM1 clock source can be one of the seven prescaler outputs; TIM2 clock source can be one of the
seven prescaler outputs or the TIM2 clock pin, T2CLK. The prescaler generates seven clock rates from
the internal bus clock. The prescaler select bits, PS[2:0], in the TIM status and control register select the
TIM clock source.
8.4.2 Input Capture
With the input capture function, the TIM can capture the time at which an external event occurs. When an
active edge occurs on the pin of an input capture channel, the TIM latches the contents of the TIM counter
into the TIM channel registers, TCHxH:TCHxL. The polarity of the active edge is programmable. Input
captures can generate TIM CPU interrupt requests.
8.4.3 Output Compare
With the output compare function, the TIM can generate a periodic pulse with a programmable polarity,
duration, and frequency. When the counter reaches the value in the registers of an output compare
channel, the TIM can set, clear, or toggle the channel pin. Output compares can generate TIM CPU
interrupt requests.
108
Addr.
$003A
$0034
$0035
$0036
$0037
$0038
$0039
TIM2 Channel 0 Status
TIM2 Channel 1 Status
TIM2 Counter Modulo
and Control Register
and Control Register
Register Name
TIM2 Channel 0
TIM2 Channel 0
TIM2 Channel 1
TIM2 Channel 1
Register High
Register High
Register Low
Register Low
Register Low
MC68HC908JL8/JK8 • MC68HC08JL8/JK8 • MC68HC908KL8 Data Sheet, Rev. 3.1
(T2MODL)
(T2CH0H)
(T2CH1H)
(T2CH0L)
(T2CH1L)
(T2SC0)
(T2SC1)
Figure 8-2. TIM I/O Register Summary (Sheet 2 of 2)
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Reset:
Read:
Read:
Read:
Read:
Read:
Read:
Read:
Write:
Write:
Write:
Write:
Write:
Write:
Write:
CH0F
Bit 15
CH1F
Bit 15
Bit 7
Bit 7
Bit 7
Bit 7
1
0
0
0
0
= Unimplemented
CH0IE
CH1IE
14
14
6
6
1
0
6
0
6
MS0B
13
13
5
5
1
0
5
0
0
5
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
Indeterminate after reset
MS0A
MS1A
12
12
4
4
1
0
4
0
4
ELS0B
ELS1B
11
11
3
3
1
0
3
0
3
ELS0A
ELS1A
10
10
2
2
1
0
2
0
2
Freescale Semiconductor
TOV0
TOV1
1
1
1
0
9
1
0
9
1
CH0MAX
CH1MAX
Bit 0
Bit 0
Bit 8
Bit 0
Bit 8
Bit 0
1
0
0
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