mc68hc05ct4fn Freescale Semiconductor, Inc, mc68hc05ct4fn Datasheet - Page 11

• Manufacturer Part Number: mc68hc05ct4fn
• Description: Mc68hc05 Family Of Microcontrollers Mcus
• Manufacturer: Freescale Semiconductor, Inc

General Release Specification — MC68HC05CT4
MC68HC05CT4
—
Rev. 2.0
Figure
1-1
1-2
1-3
1-4
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3-1
3-2
4-1
4-2
5-1
5-2
5-3
6-1
6-2
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8-1
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Freescale Semiconductor, Inc.
For More Information On This Product,
MC68HC05CT4 Block Diagram . . . . . . . . . . . . . . . . . . . . . .18
44-Lead PLCC Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
44-Lead QFP Pinout. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Oscillator Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
MC68HC05CT4 8-K Memory Map . . . . . . . . . . . . . . . . . . . .27
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Stacking Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Interrupt Processing Flowchart. . . . . . . . . . . . . . . . . . . . . . .38
IRQ Function Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .39
Reset Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
RESET and POR Timing Diagram . . . . . . . . . . . . . . . . . . . .45
COP Watchdog Timer Location . . . . . . . . . . . . . . . . . . . . . .48
Single-Chip Mode Pinout of the MC68HC05CT4 . . . . . . . . .51
Stop Recovery Timing Diagram . . . . . . . . . . . . . . . . . . . . . .52
STOP/WAIT Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Port C Pullup Option. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
I/O Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
16-Bit Timer Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . .61
Timer Control Register (TCR) . . . . . . . . . . . . . . . . . . . . . . .64
Timer Status Register (TSR) . . . . . . . . . . . . . . . . . . . . . . . .65
Go to: www.freescale.com
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General Release Specification
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