MC68HC705X32CFU Freescale Semiconductor, MC68HC705X32CFU Datasheet - Page 18

• Manufacturer Part Number: MC68HC705X32CFU
• Manufacturer: Freescale Semiconductor

Specifications of MC68HC705X32CFU

• Cpu Family: HC05
• Device Core Size: 8b
• Frequency (max): 4MHz
• Interface Type: SCI
• Program Memory Type: EPROM
• Program Memory Size: 32KB
• Total Internal Ram Size: 528Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 8-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 64
• Package Type: PQFP
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Figure
Number
7-10
8-1
8-2
8-3
9-1
9-2
10-1
10-2
10-3
10-4
11-1
11-2
12-1
13-1
13-2
A-1
A-2
A-3
B-1
B-2
B-3
B-4
B-5
B-6
B-7
B-8
B-9
SCI data clock timing diagram (M=1) ......................................................................7-13
PLM system block diagram .....................................................................................8-1
PLM output waveform examples .............................................................................8-2
PLM clock selection ................................................................................................8-4
A/D converter block diagram ...................................................................................9-2
Electrical model of an A/D input pin ........................................................................9-6
Reset timing diagram ............................................................................................10-1
RESET external RC pull-down ..............................................................................10-3
Watchdog system block diagram...........................................................................10-4
Interrupt flow chart ................................................................................................10-8
Programming model ..............................................................................................11-1
Stacking order .......................................................................................................11-2
Timer relationship..................................................................................................12-5
64-pin QFP pinout .................................................................................................13-1
64-pin QFP mechanical dimensions .....................................................................13-2
MC68HC05X32 block diagram............................................................................... A-2
Memory map of the MC68HC05X32 ...................................................................... A-3
Timer relationship................................................................................................... A-11
MC68HC705X32 block diagram............................................................................. B-3
Memory map of the MC68HC705X32 .................................................................... B-5
Modes of operation flow chart ................................................................................ B-15
Timing diagram with handshake............................................................................. B-18
Parallel EPROM loader timing diagram.................................................................. B-18
EPROM parallel bootstrap schematic diagram ...................................................... B-19
RAM load and execute schematic diagram ............................................................ B-21
Parallel RAM loader timing diagram ....................................................................... B-22
Timer relationship................................................................................................... B-27
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LIST OF FIGURES
TITLE
MC68HC05X16
Number
Rev. 1
Page