MC908JB8FBE Freescale Semiconductor, MC908JB8FBE Datasheet - Page 22

• 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

List of Figures
Technical Data
22
12-4 Port A I/O Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
12-5 Port B Data Register (PTB) . . . . . . . . . . . . . . . . . . . . . . . . . . 204
12-6 Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . . . . 205
12-7 Port B I/O Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
12-8 Port C Data Register (PTC) . . . . . . . . . . . . . . . . . . . . . . . . . . 207
12-9 Data Direction Register C (DDRC) . . . . . . . . . . . . . . . . . . . . . 208
12-10 Port C I/O Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
12-11 Port D Data Register (PTD) . . . . . . . . . . . . . . . . . . . . . . . . . . 210
12-12 Data Direction Register D (DDRD) . . . . . . . . . . . . . . . . . . . . . 211
12-13 Port D I/O Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
12-14 Port E Data Register (PTE) . . . . . . . . . . . . . . . . . . . . . . . . . . 213
12-15 Data Direction Register E (DDRE) . . . . . . . . . . . . . . . . . . . . . 215
12-16 Port E I/O Circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
12-17 Port Option Control Register (POCR). . . . . . . . . . . . . . . . . . . 217
13-1 IRQ Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 221
13-2 IRQ I/O Register Summary. . . . . . . . . . . . . . . . . . . . . . . . . . .221
13-3 IRQ Status and Control Register (ISCR) . . . . . . . . . . . . . . . . 224
13-4 IRQ Option Control Register (IOCR) . . . . . . . . . . . . . . . . . . . 225
14-1 Keyboard Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . 229
14-2 Keyboard Status and Control Register (KBSCR) . . . . . . . . . . 234
14-3 Keyboard Interrupt Enable Register (KBIER) . . . . . . . . . . . . . 235
15-1 COP Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238
15-2 Configuration Register (CONFIG). . . . . . . . . . . . . . . . . . . . . . 240
15-3 COP Control Register (COPCTL) . . . . . . . . . . . . . . . . . . . . . . 241
16-1 LVI Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .244
16-2 Configuration Register (CONFIG). . . . . . . . . . . . . . . . . . . . . . 244
17-1 Break Module Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . 247
17-2 Break I/O Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . 247
17-3 Break Status and Control Register (BRKSCR). . . . . . . . . . . . 249
17-4 Break Address Register High (BRKH) . . . . . . . . . . . . . . . . . . 250
17-5 Break Address Register Low (BRKL) . . . . . . . . . . . . . . . . . . . 250
17-6 Break Status Register (BSR) . . . . . . . . . . . . . . . . . . . . . . . . . 251
17-7 Break Flag Control Register High (BFCR) . . . . . . . . . . . . . . . 252
List of Figures
MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor