MC908JB8ADWE Freescale Semiconductor, MC908JB8ADWE Datasheet - Page 15

• Manufacturer Part Number: MC908JB8ADWE
• Description: IC MCU 3MHZ 8K FLASH 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

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

MC68HC908JB8•MC68HC08JB8•MC68HC08JT8 — Rev. 2.3
Freescale Semiconductor
14.1
14.2
14.3
14.4
14.5
14.6
14.7
14.7.1
14.7.2
14.8
14.9
14.9.1
14.9.2
15.1
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
Section 15. Computer Operating Properly (COP)
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 233
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .241
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .230
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .238
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
COP Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Section 14. Keyboard Interrupt Module (KBI)
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 233
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 235
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
Table of Contents
Table of Contents
Technical Data
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