MC68HC705B16CFN

Manufacturer Part NumberMC68HC705B16CFN
DescriptionIC MCU 2.1MHZ 15K OTP 52-PLCC
ManufacturerFreescale Semiconductor
SeriesHC05
MC68HC705B16CFN datasheet
 


Specifications of MC68HC705B16CFN

Core ProcessorHC05Core Size8-Bit
Speed2.1MHzConnectivitySCI
PeripheralsPOR, WDTNumber Of I /o32
Program Memory Size15KB (15K x 8)Program Memory TypeOTP
Eeprom Size256 x 8Ram Size352 x 8
Voltage - Supply (vcc/vdd)4.5 V ~ 5.5 VData ConvertersA/D 8x8b
Oscillator TypeInternalOperating Temperature-40°C ~ 85°C
Package / Case52-PLCCLead Free Status / RoHS StatusContains lead / RoHS non-compliant
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Number
PULSE LENGTH D/A CONVERTERS
7.1
Miscellaneous register....................................................................................... 7–3
7.2
PLM clock selection........................................................................................... 7–4
7.3
PLM during STOP mode ................................................................................... 7–4
7.4
PLM during WAIT mode .................................................................................... 7–4
ANALOG TO DIGITAL CONVERTER
8.1
A/D converter operation..................................................................................... 8–1
8.2
A/D registers...................................................................................................... 8–3
8.2.1
Port D data register (PORTD)...................................................................... 8–3
8.2.2
A/D result data register (ADDATA) ............................................................... 8–3
8.2.3
A/D status/control register (ADSTAT)........................................................... 8–4
8.3
A/D converter during STOP mode..................................................................... 8–6
8.4
A/D converter during WAIT mode...................................................................... 8–6
8.5
Port D analog input............................................................................................ 8–6
9.1
Resets ............................................................................................................... 9–1
9.1.1
Power-on reset............................................................................................. 9–2
9.1.2
Miscellaneous register ................................................................................ 9–2
9.1.3
RESET pin ................................................................................................... 9–3
9.1.4
Computer operating properly (COP) watchdog reset .................................. 9–3
9.1.4.1
COP watchdog during STOP mode ....................................................... 9–4
9.1.4.2
COP watchdog during WAIT mode ........................................................ 9–4
9.1.5
Functions affected by reset.......................................................................... 9–5
9.2
Interrupts ........................................................................................................... 9–6
9.2.1
Interrupt priorities......................................................................................... 9–6
9.2.2
Nonmaskable software interrupt (SWI) ........................................................ 9–6
9.2.3
Maskable hardware interrupts ..................................................................... 9–7
9.2.3.1
External interrupt (IRQ).......................................................................... 9–7
9.2.3.2
Miscellaneous register .......................................................................... 9–9
9.2.3.3
Timer interrupts .................................................................................... 9–10
9.2.3.4
Serial communications interface (SCI) interrupts................................. 9–10
9.2.4
Hardware controlled interrupt sequence.................................................... 9–11
Freescale
iv
TABLE OF CONTENTS
7
8
9
RESETS AND INTERRUPTS
TABLE OF CONTENTS
Page
Number
MC68HC05B6
Rev. 4.1