(68HC05JB4 / 68HC705JB4) microcontroller

Freescale Semiconductor, Inc. HC05JB4GRS/H REV 2 68HC05JB4 68HC705JB4 Freescale Semiconductor, Inc... SPECIFICATION (General Release) February 24, 1999 www.DataSheet4U.com Semiconductor Products Sector Motorola reserves the right to make changes without further notice to any products herein to improve reliability, function or design. Motorola does not assume any liability arising out of the application or use of any product or circuit described herein; neither does it convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part. © Motorola, Inc., 1999 For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. Freescale Semiconductor, Inc... For More Information On This Product, Go to: www.freescale.com Freescale Semiconductor, Inc. February 24, 1999 GENERAL RELEASE SPECIFICATION TABLE OF CONTENTS Section SECTION 1 GENERAL DESCRIPTION 1.1 1.2 1.3 1.4 1.4.1 1.4.2 1.4.3 1.4.4 1.4.5 1.4.6 1.4.7 1.4.8 1.4.9 FEATURES ...................................................................................................... 1-1 MASK OPTIONS.............................................................................................. 1-2 MCU STRUCTURE.......................................................................................... 1-2 FUNCTIONAL PIN DESCRIPTION.................................................................. 1-4 VDD AND VSS .............................................................................................. 1-4 OSC1, OSC2 ............................................................................................... 1-4 RESET......................................................................................................... 1-6 IRQ (MASKABLE INTERRUPT REQUEST)................................................ 1-6 V3.3 ............................................................................................................. 1-6 D+ and D– ................................................................................................... 1-6 PA0-PA7 ...................................................................................................... 1-6 PB0-PB4 ...................................................................................................... 1-7 PC0-PC5...................................................................................................... 1-7 SECTION 2 MEMORY 2.1 2.2 2.3 2.4 I/O AND CONTROL REGISTERS ................................................................... 2-2 RAM ................................................................................................................. 2-2 ROM................................................................................................................. 2-2 I/O REGISTERS SUMMARY ........................................................................... 2-3 SECTION 3 CENTRAL PROCESSING UNIT 3.1 3.2 3.3 3.4 3.5 3.6 3.6.1 3.6.2 3.6.3 3.6.4 3.6.5 REGISTERS .................................................................................................... 3-1 ACCUMULATOR (A)........................................................................................ 3-2 INDEX REGISTER (X) ..................................................................................... 3-2 STACK POINTER (SP) .................................................................................... 3-2 PROGRAM COUNTER (PC) ........................................................................... 3-2 CONDITION CODE REGISTER (CCR) ........................................................... 3-3 Half Carry Bit (H-Bit) .................................................................................... 3-3 Interrupt Mask (I-Bit) .................................................................................... 3-3 Negative Bit (N-Bit) ...................................................................................... 3-3 Zero Bit (Z-Bit) ............................................................................................. 3-3 Carry/Borrow Bit (C-Bit) ............................................................................... 3-4 SECTION 4 INTERRUPTS 4.1 4.2 4.3 4.4 INTERRUPT VECTORS .................................................................................. 4-1 INTERRUPT PROCESSING............................................................................ 4-2 RESET INTERRUPT SEQUENCE .................................................................. 4-4 SOFTWARE INTERRUPT (SWI) ..................................................................... 4-4 MOTOROLA i For More Information On This Product, Go to: www.freescale.com Page Freescale Semiconductor, Inc... MC68HC05JB4 REV 2 Freescale Semiconductor, Inc. GENERAL RELEASE SPECIFICATION February 24, 1999 TABLE OF CONTENTS Section Page 4.5 HARDWARE INTERRUPTS ............................................................................ 4-4 4.5.1 External Interrupt IRQ.................................................................................. 4-4 4.5.2 External Interrupt IRQ2................................................................................ 4-5 4.5.3 IRQ Control/Status Register (ICSR) - $0A................................................... 4-6 4.5.4 Port A External Interrupts (PA0-PA3, by mask option) ................................ 4-7 4.5.5 Timer1 Interrupt (TIMER1)........................................................................... 4-8 4.5.6 USB Interrupt (USB) .................................................................................... 4-8 4.5.7 MFT Interrupt (MFT) .................................................................................... 4-8 Freescale Semiconductor, Inc... SECTION 5 RESETS 5.1 POWER-ON RESET ........................................................................................ 5-2 5.2 EXTERNAL RESET ......................................................................................... 5-2 5.3 INTERNAL RESETS ........................................................................................ 5-2 5.3.1 Power-On Reset (POR) ............................................................................... 5-2 5.3.2 USB Reset ................................................................................................... 5-3 5.3.3 Computer Operating Properly (COP) Reset ................................................ 5-3 5.3.4 Low Voltage Reset (LVR) ............................................................................ 5-3 5.3.5 Illegal Address Reset................................................................................... 5-4 SECTION 6 LOW POWER MODES 6.1 6.2 6.3 STOP MODE.................................................................................................... 6-3 WAIT MODE .................................................................................................... 6-3 DATA-RETENTION MODE.............................................................................. 6-3 SECTION 7 INPUT/OUTPUT PORTS 7.1 7.2 7.2.1 7.2.2 7.2.3 7.3 7.3.1 7.3.2 7.3.3 7.4 7.4.1 7.4.2 SLOW FALLING-EDGE OUTPUT DRIVER..................................................... 7-1 PORT-A............................................................................................................ 7-2 Port-A Data Register.................................................................................... 7-2 Port-A Data Direction Register .................................................................... 7-3 Port-A Pull-up Control Register ................................................................... 7-3 PORT-B............................................................................................................ 7-3 Port-B Data Register.................................................................................... 7-4 Port-B Data Direction Register .................................................................... 7-4 Port-B Pull-up Control Register ................................................................... 7-4 PORT-C ........................................................................................................... 7-4 Port-C Data Register ................................................................................... 7-5 Port-C Data Direction Register .................................................................... 7-5 MOTOROLA ii For More Information On This Product, Go to: www.freescale.com MC68HC05JB4 REV 2 Freescale Semiconductor, Inc. February 24, 1999 GENERAL RELEASE SPECIFICATION TABLE OF CONTENTS Section SECTION 8 MULTI-FUNCTION TIMER 8.1 8.2 8.3 8.3.1 8.3.2 8.4 8.5 OVERVIEW...................................................................................................... 8-2 COMPUTER OPERATING PROPERLY (COP) WATCHDOG ........................ 8-2 MFT REGISTERS ............................................................................................ 8-3 Timer Counter Register (TCNT) $09 ........................................................... 8-3 Timer Control/Status Register (TCSR) $08 ..........