z8f0813 ZiLOG Semiconductor, z8f0813 Datasheet - Page 6
z8f0813
Manufacturer Part Number
z8f0813
Description
High-performance 8-bit Microcontrollers
Manufacturer
ZiLOG Semiconductor
Datasheet
1.Z8F0813.pdf
(247 pages)
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PS024314-0308
Interrupt Control Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Timer Control Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Watchdog Timer Control Register Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Universal Asynchronous Receiver/Transmitter . . . . . . . . . . . . . . . . . . . . . . 93
Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Interrupt Vectors and Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Interrupt Assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Software Interrupt Assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Watchdog Timer Interrupt Assertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Interrupt Request 0 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Interrupt Request 1 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Interrupt Request 2 Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
IRQ0 Enable High and Low Bit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 60
IRQ1 Enable High and Low Bit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 61
IRQ2 Enable High and Low Bit Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Interrupt Edge Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Shared Interrupt Select Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Interrupt Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Timer Operating Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Reading the Timer Count Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Timer Pin Signal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Timer 0–1 High and Low Byte Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Timer Reload High and Low Byte Registers . . . . . . . . . . . . . . . . . . . . . . . . 80
Timer 0-1 PWM High and Low Byte Registers . . . . . . . . . . . . . . . . . . . . . . 81
Timer 0–1 Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Watchdog Timer Refresh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Watchdog Timer Time-Out Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Watchdog Timer Reload Unlock Sequence . . . . . . . . . . . . . . . . . . . . . . . . 89
Watchdog Timer Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Watchdog Timer Reload Upper, High and Low Byte Registers . . . . . . . . . . 90
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Transmitting Data using the Polled Method . . . . . . . . . . . . . . . . . . . . . . . . 95
Transmitting Data using the Interrupt-Driven Method . . . . . . . . . . . . . . . . . 96
Z8 Encore! XP
Product Specification
®
Table of Contents
F0823 Series
vi
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