MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 104
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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System Integration Module (SIM)
8.5.2 SIM Counter During Stop Mode Recovery
8.5.3 SIM Counter and Reset States
8.6 Exception Control
8.6.1 Interrupts
Technical Data
104
The SIM counter also is used for stop mode recovery. The STOP
instruction clears the SIM counter. After an interrupt, break, or reset, the
SIM senses the state of the short stop recovery bit, SSREC, in the
configuration register (CONFIG). If the SSREC bit is a logic 1, then the
stop recovery is reduced from the normal delay of 4096 OSCXCLK
cycles down to 2048 OSCXCLK cycles. This is ideal for applications
using canned oscillators that do not require long startup times from stop
mode. External crystal applications should use the full stop recovery
time, that is, with SSREC cleared in the configuration register (CONFIG).
External reset has no effect on the SIM counter. (See
for details.) The SIM counter is free-running after all reset states. (See
8.4.2 Active Resets from Internal Sources
internal reset recovery sequences.)
Normal, sequential program execution can be changed in three different
ways:
An interrupt temporarily changes the sequence of program execution to
respond to a particular event.
system interrupts.
•
•
•
Interrupts
– Maskable hardware CPU interrupts
– Non-maskable software interrupt instruction (SWI)
Reset
Break interrupts
System Integration Module (SIM)
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Figure 8-8
flow charts the handling of
for counter control and
Freescale Semiconductor
8.7.2 Stop Mode
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