EZ80190AZ050SC00TR Zilog, EZ80190AZ050SC00TR Datasheet - Page 4
![IC EZ80 ACCLAIM 50MHZ 100LQFP](/photos/6/76/67664/269-100-lqfp_sml.jpg)
EZ80190AZ050SC00TR
Manufacturer Part Number
EZ80190AZ050SC00TR
Description
IC EZ80 ACCLAIM 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050SC00TR
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 4 of 221
- Download datasheet (4Mb)
Table of Contents
PS006614-1208
Architectural Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
eZ80
Programmable Reload Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Watchdog Timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
General-Purpose Input/Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
eZ80 CPU Core Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
eZ80 CPU Core Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Programmable Reload Timers Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Programmable Reload Timer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Programmable Reload Timer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
WDT Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
WDT Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
WDT Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
GPIO Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
GPIO Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
®
CPU Core . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Setting Timer Duration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Single Pass Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Continuous Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Reading the Current Count Value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Timer Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Timer Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Timer Data Low Byte Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Timer Data High Byte Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Timer Reload Low Byte Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Timer Reload High Byte Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Enabling And Disabling The WDT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Time-Out Period Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
RESET Or NMI Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
WDT Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
WDT Reset Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Product Specification
Table of Contents
iv
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