z8f083a ZiLOG Semiconductor, z8f083a Datasheet - Page 6
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z8f083a
Manufacturer Part Number
z8f083a
Description
High-performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F083A.pdf
(256 pages)
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PS026308-1207
Stop Mode Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Debug Pin Driven Low . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Reset Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
STOP Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
HALT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Peripheral Level Power Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Power Control Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
General Purpose Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
GPIO Port Availability by Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
GPIO Alternate Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Direct LED Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Shared Reset Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Crystal Oscillator Override . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
5 V Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
External Clock Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
GPIO Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
GPIO Control Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Interrupt Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Interrupt Vector Listing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Watchdog Timer Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
External Reset Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
External Reset Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
On-Chip Debugger Initiated Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Stop Mode Recovery using Watchdog Timer Time-Out . . . . . . . . . . . . . . . 29
Stop Mode Recovery using GPIO Port Pin Transition . . . . . . . . . . . . . . . . . 29
Stop Mode Recovery Using the External RESET Pin . . . . . . . . . . . . . . . . . 29
Port A–D Address Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Port A–D Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Port A–D Data Direction Subregisters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Port A–D Alternate Function Subregisters . . . . . . . . . . . . . . . . . . . . . . . . . 45
Port A–C Input Data Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Port A–D Output Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
LED Drive Enable Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
LED Drive Level High Register. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
LED Drive Level Low Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Z8 Encore!
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®
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F083A Series
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