MC908JB8FBE Freescale Semiconductor, MC908JB8FBE Datasheet - Page 93

• Manufacturer Part Number: MC908JB8FBE
• Description: IC MCU 8K FLASH 3MHZ 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908JB8FBE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 3MHz
• Connectivity: USB
• Peripherals: LVD, POR, PWM
• Number Of I /o: 37
• 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: 44-QFP
• 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: 37
• Ram Memory Size: 256Byte
• Cpu Speed: 8MHz
• No. Of Timers: 1
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Package: 44PQFP
• Family Name: HC08
• Maximum Speed: 3 MHz
• Cpu Family: HC08
• Device Core Size: 8b
• Frequency (max): 3MHz
• Total Internal Ram Size: 256Byte
• # I/os (max): 37
• Number Of Timers - General Purpose: 2
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Technical Data — MC68HC908JB8•MC68HC08JB8•MC68HC08JT8
8.1 Contents
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
8.2
8.3
8.3.1
8.3.2
8.3.3
8.4
8.4.1
8.4.2
8.4.2.1
8.4.2.2
8.4.2.3
8.4.2.4
8.4.2.5
8.4.2.6
8.4.2.7
8.5
8.5.1
8.5.2
8.5.3
8.6
8.6.1
8.6.1.1
8.6.1.2
8.6.2
8.6.2.1
8.6.3
8.6.4
8.6.5
Section 8. System Integration Module (SIM)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . . 96
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . . 97
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Clock Startup from POR or LVI Reset . . . . . . . . . . . . . . . . . 97
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . . 97
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . . 99
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . 103
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . 104
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . 104
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Interrupt Status Registers. . . . . . . . . . . . . . . . . . . . . . . . . . 108
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 110
System Integration Module (SIM)
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100
Computer Operating Properly (COP) Reset. . . . . . . . . . 101
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . 102
Universal Serial Bus Reset . . . . . . . . . . . . . . . . . . . . . . 102
Registers Values After Different Resets. . . . . . . . . . . . . 102
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 109
Technical Data
93