MC68HC908JB8JPE Freescale Semiconductor, MC68HC908JB8JPE Datasheet - Page 237
MC68HC908JB8JPE
Manufacturer Part Number
MC68HC908JB8JPE
Description
IC MCU FLASH 8BIT 8K 20-DIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB8JDWE.pdf
(286 pages)
Specifications of MC68HC908JB8JPE
Core Processor
HC08
Core Size
8-Bit
Speed
3MHz
Connectivity
USB
Peripherals
LVD, POR, PWM
Number Of I /o
13
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
20-DIP (0.300", 7.62mm)
Controller Family/series
HC08
No. Of I/o's
13
Ram Memory Size
256Byte
Cpu Speed
3MHz
No. Of Timers
1
Embedded Interface Type
USB
Rohs Compliant
Yes
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
4 V to 5.5 V
Maximum Operating Temperature
+ 70 C
Mounting Style
Through Hole
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE, KITUSBSPIDGLEVME, KITUSBSPIEVME, KIT33810EKEVME
Minimum Operating Temperature
0 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
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Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
15.1 Contents
15.2 Introduction
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
Section 15. Computer Operating Properly (COP)
15.2
15.3
15.4
15.4.1
15.4.2
15.4.3
15.4.4
15.4.5
15.4.6
15.4.7
15.4.8
15.5
15.6
15.7
15.8
15.8.1
15.8.2
15.9
The computer operating properly (COP) module contains a free-running
counter that generates a reset if allowed to overflow. The COP module
helps software recover from runaway code. Prevent a COP reset by
clearing the COP counter periodically. The COP module can be disabled
through the COPD bit in the CONFIG register.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Monitor Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
COP Module During Break Mode . . . . . . . . . . . . . . . . . . . . . . 242
Computer Operating Properly (COP)
OSCXCLK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
STOP Instruction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
COPCTL Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
Power-On Reset. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Internal Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Reset Vector Fetch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
COPD (COP Disable). . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
COPRS (COP Rate Select) . . . . . . . . . . . . . . . . . . . . . . . . 240
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242
Technical Data
237
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