MC68HC705MC4 Datasheet, PDF (2/99 Pages) Motorola, Inc – Microcontrollers

MC68HC705MC4 Specification Rev. 1.5
TABLE OF CONTENTS
SECTION 1 INTRODUCTION.............................................................. 1
1.1
1.2
1.3
1.3.1
1.3.2
1.3.2.1
1.3.2.2
1.3.2.3
1.3.3
1.3.4
1.3.5
1.3.6
1.3.7
1.3.8
1.4
FEATURES (all timing based on 3 MHz bus) ............................ 1
MASK OPTIONS........................................................................ 3
FUNCTIONAL PIN DESCRIPTION............................................ 3
V_DD AND V_SS ......................................................................... 3
OSC1, OSC2 ........................................................................ 3
Crystal with Internal Components ................................... 4
Ceramic Resonator ......................................................... 4
External Clock ................................................................. 5
RESET.................................................................................. 5
PA0, PA1/PWMA1, PA2/PWMB1, PA3/PWMA2,
PA4/PWMB2, PA5/PWMA3, PA6/PWMB3, PA7 .................. 5
PB4/TDO, PB5/RDI, PB6, PB7............................................. 5
PC0:5/AD0:5, PC6/Vrefh, PC7/Vrefl..................................... 5
PD6/TCAP1/TCMP, PD7/TCAP2 ......................................... 5
IRQ (MASKABLE INTERRUPT REQUEST) / V_PP ................ 5
CPU CORE ................................................................................ 6
SECTION 2 OPERATING MODES...................................................... 7
2.1
2.2
2.2.1
2.2.2
2.2.2.1
2.2.2.2
2.2.3
2.2.3.1
2.3
2.4
2.4.1
2.4.1.1
2.4.2
2.5
USER MODE ............................................................................. 7
BOOTLOADER MODE .............................................................. 8
Bootloader Functions............................................................ 8
EPROM PROGRAMMING REGISTER .............................. 11
LATCH - EPROM Latch Control.................................... 12
EPGM - EPROM Program Control ................................ 12
MASK OPTION REGISTER (MOR) $0F00 ........................ 12
COP - COP enable/disable ........................................... 12
SELF-CHECK .......................................................................... 13
LOW-POWER MODES ............................................................ 13
STOP INSTRUCTION ........................................................ 13
Stop Mode ..................................................................... 13
WAIT INSTRUCTION ......................................................... 14
COP WATCHDOG TIMER CONSIDERATIONS ..................... 15
SECTION 3 RESETS ......................................................................... 17
3.1
3.2
3.2.1
3.2.2
3.2.3
EXTERNAL RESET (RESET).................................................. 17
INTERNAL RESETS ................................................................ 17
ILLEGAL ADDRESS RESET.............................................. 17
POWER-ON RESET (POR) ............................................... 18
COMPUTER OPERATING PROPERLY (COP) RESET .... 18
MOTOROLA
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