mc68hc705e5 Freescale Semiconductor, Inc, mc68hc705e5 Datasheet - Page 13

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mc68hc705e5

Manufacturer Part Number
mc68hc705e5
Description
M68hc05 Family Of Microcontrollers Mcus
Manufacturer
Freescale Semiconductor, Inc
Datasheet
MC68HC705E5 — Rev. 1.0
General Release Specification — MC68HC705E5
Figure
1-1
1-2
1-3
2-1
2-2
3-1
3-2
3-3
3-4
3-5
3-6
3-7
4-1
4-2
4-3
5-1
5-2
7-1
8-1
8-2
8-3
Freescale Semiconductor, Inc.
For More Information On This Product,
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Single-Chip Mode Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Oscillator Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Programming Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Stacking Order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Accumulator (A) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Index Register (X) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Condition Code Register (CCR) . . . . . . . . . . . . . . . . . . . . . .31
Stack Pointer (SP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Program Counter (PC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Interrupt Processing Flowchart. . . . . . . . . . . . . . . . . . . . . . .37
STOP/WAIT Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Custom Periodic Interrupt Control
Reset Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
RESET and POR Timing Diagram . . . . . . . . . . . . . . . . . . . .43
Port I/O Circuitry. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Timer Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .56
Timer Control and Status Register (TCSR) . . . . . . . . . . . . .57
Timer Counter Register (TCR) . . . . . . . . . . . . . . . . . . . . . . .59
Go to: www.freescale.com
and Status Register (CPICSR) . . . . . . . . . . . . . . . . . . . .39
List of Figures
Title
General Release Specification
List of Figures
Page

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