68HC05PL4B Datasheet PDF - Freescale Semiconductor

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68HC05PL4B
Freescale Semiconductor

Part Number 68HC05PL4B
Description SPECIFICATION (General Release)
Page 30 Pages


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Freescale Semiconductor
HC05wPwLw4.DGataRShSee/t4HU.com
REV 2.0
68HC05PL4
68HC05PL4B
68HC705PL4
68HC705PL4B
SPECIFICATION
(General Release)
April 30, 1998
Consumer Systems Group
Semiconductor Products Sector
© Freescale Semiconductor, Inc., 2004. All rights reserved.
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Freescale Semiconductor, Inc.
April 30, 1998
GENERAL RELEASE SPEwCwIwF.IDCaAtaSThIeOet4NU.com
Section
TABLE OF CONTENTS
Page
SECTION 1
GENERAL DESCRIPTION
1.1 FEATURES ...................................................................................................... 1-1
1.2 MCU BLOCK DIAGRAM .................................................................................. 1-2
1.3 PIN ASSIGNMENTS ........................................................................................ 1-3
1.4 PIN DESCRIPTIONS ....................................................................................... 1-4
1.4.1 VDD, VSS .................................................................................................... 1-4
1.4.2 OSC1, OSC2 ............................................................................................... 1-4
1.4.3 RESET......................................................................................................... 1-4
1.4.4 LED/IRQ ...................................................................................................... 1-4
1.4.5 PA0, PA1/DTMF, PA2/TCAP, PA3/TCMP, PA4-PA6 .................................. 1-5
1.4.6 PB0/KBI0-PB3/KBI3, PB4-PB7.................................................................... 1-5
1.4.7 PC0-PC7...................................................................................................... 1-6
SECTION 2
MEMORY
2.1 MEMORY MAP ................................................................................................ 2-1
2.2 I/O REGISTERS .............................................................................................. 2-2
2.3 RAM ................................................................................................................. 2-2
2.4 ROM................................................................................................................. 2-2
2.5 COP WATCHDOG REGISTER (COPR).......................................................... 2-2
SECTION 3
CENTRAL PROCESSING UNIT
3.1 REGISTERS .................................................................................................... 3-1
3.2 ACCUMULATOR (A) ....................................................................................... 3-2
3.3 INDEX REGISTER (X) ..................................................................................... 3-2
3.4 STACK POINTER (SP) .................................................................................... 3-2
3.5 PROGRAM COUNTER (PC) ........................................................................... 3-2
3.6 CONDITION CODE REGISTER (CCR) ........................................................... 3-3
3.6.1 Half Carry Bit (H-Bit) .................................................................................... 3-3
3.6.2 Interrupt Mask (I-Bit) .................................................................................... 3-3
3.6.3 Negative Bit (N-Bit) ...................................................................................... 3-3
3.6.4 Zero Bit (Z-Bit) ............................................................................................. 3-3
3.6.5 Carry/Borrow Bit (C-Bit) ............................................................................... 3-4
SECTION 4
INTERRUPTS
4.1 INTERRUPT VECTORS .................................................................................. 4-1
4.2 INTERRUPT PROCESSING ........................................................................... 4-2
4.3 SOFTWARE INTERRUPT ............................................................................... 4-4
4.4 EXTERNAL INTERRUPT ................................................................................ 4-4
4.4.1 LED/IRQ Pin ................................................................................................ 4-4
MC68HC05PL4
REV 2.0
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Go to: www.freescale.com
i



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Freescale Semiconductor, Inc.
GENERAL RELEASE SPECIFICATION
April 30, 1998
www.DataSheet4U.com
Section
TABLE OF CONTENTS
Page
4.4.2 Miscellaneous Control and Status Register................................................. 4-5
4.5 16-BIT TIMER INTERRUPTS .......................................................................... 4-6
4.5.1 Input Capture Interrupt................................................................................. 4-6
4.5.2 Output Compare Interrupt............................................................................ 4-6
4.5.3 Timer Overflow Interrupt .............................................................................. 4-6
4.6 8-BIT TIMER INTERRUPT .............................................................................. 4-6
4.7 KEYBOARD INTERRUPT ............................................................................... 4-7
SECTION 5
RESETS
5.1 POWER-ON RESET ........................................................................................ 5-1
5.2 EXTERNAL RESET ......................................................................................... 5-2
5.3 INTERNAL RESETS ........................................................................................ 5-2
5.3.1 Power-On Reset (POR) ............................................................................... 5-3
5.3.2 Computer Operating Properly (COP) Reset ................................................ 5-3
5.3.3 Illegal Address Reset................................................................................... 5-4
5.4 RESET STATES OF SUBSYSTEM IN MCU ................................................... 5-5
5.4.1 CPU ............................................................................................................. 5-5
5.4.2 I/O Registers................................................................................................ 5-5
5.4.3 8-Bit Timer ................................................................................................... 5-5
5.4.4 16-Bit Programmable Timer......................................................................... 5-5
5.4.5 Keyboard Interrupt Interface ........................................................................ 5-6
5.4.6 6-bit DAC Subsystem .................................................................................. 5-6
5.4.7 System Clock Option Subsystem ................................................................ 5-6
5.4.8 Miscellaneous Subsystem ........................................................................... 5-6
5.5 RESET CHARACTERISTICS .......................................................................... 5-7
SECTION 6
OPERATING MODES
6.1 OPERATING MODES...................................................................................... 6-1
6.1.1 Single-chip (Normal) Mode .......................................................................... 6-1
6.1.2 Self-check Mode .......................................................................................... 6-1
6.2 LOW POWER MODES .................................................................................... 6-2
6.2.1 STOP Mode ................................................................................................. 6-2
6.2.2 WAIT Mode.................................................................................................. 6-2
SECTION 7
INPUT/OUTPUT PORTS
7.1 PARALLEL PORTS ......................................................................................... 7-1
7.1.1 Port Data Registers ..................................................................................... 7-2
7.1.2 Port Data Direction Registers ...................................................................... 7-2
7.2 PORT A............................................................................................................ 7-2
7.3 PORT B............................................................................................................ 7-3
MC68HC05PL4
ii REV 2.0
For More Information On This Product,
Go to: www.freescale.com



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