MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 189
MC908JB8ADWE
Manufacturer Part Number
MC908JB8ADWE
Description
IC MCU 3MHZ 8K FLASH 28-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB8JDWE.pdf
(286 pages)
Specifications of MC908JB8ADWE
Core Processor
HC08
Core Size
8-Bit
Speed
3MHz
Connectivity
USB
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
28-SOIC (7.5mm Width)
Processor Series
HC08JB
Core
HC08
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
USB
Maximum Clock Frequency
3 MHz
Number Of Programmable I/os
37
Number Of Timers
2
Operating Supply Voltage
5.25 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
Minimum Operating Temperature
0 C
Controller Family/series
HC08
No. Of I/o's
21
Ram Memory Size
256Byte
Cpu Speed
8MHz
No. Of Timers
1
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC908JB8ADWE
Manufacturer:
FREESCALE
Quantity:
20 000
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11.9 I/O Signals
11.9.1 TIM Clock Pin (PTE0/TCLK)
11.9.2 TIM Channel I/O Pins (PTE1/TCH0:PTE2/TCH1)
11.10 I/O Registers
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
Port E shares three of its pins with the TIM. PTE0/TCLK is an external
clock input to the TIM prescaler. The two TIM channel I/O pins are
PTE1/TCH0 and PTE2/TCH1.
PTE0/TCLK is an external clock input that can be the clock source for
the TIM counter instead of the prescaled internal bus clock. Select the
PTE0/TCLK input by writing logic 1s to the three prescaler select bits,
PS[2:0]. (See
TCLK pulse width, TCLK
The maximum TCLK frequency is:
PTE0/TCLK is available as a general-purpose I/O pin when not used as
the TIM clock input. When the PTE0/TCLK pin is the TIM clock input, it
is an input regardless of the state of the DDRE0 bit in data direction
register E.
Each channel I/O pin is programmable independently as an input
capture pin or an output compare pin. PTE1/TCH0 can be configured as
buffered output compare or buffered PWM pins.
The following I/O registers control and monitor operation of the TIM:
•
•
•
•
•
TIM status and control register (TSC)
TIM counter registers (TCNTH:TCNTL)
TIM counter modulo registers (TMODH:TMODL)
TIM channel status and control registers (TSC0 and TSC1)
TIM channel registers (TCH0H:TCH0L and TCH1H:TCH1L)
Timer Interface Module (TIM)
11.10.1 TIM Status and Control
LMIN
------------------------------------ -
bus frequency
bus frequency ÷ 2
or TCLK
1
HMIN
+
, is:
t
SU
Register.) The minimum
Timer Interface Module (TIM)
Technical Data
I/O Signals
189
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