ez80190 ZiLOG Semiconductor, ez80190 Datasheet - Page 17

• Manufacturer Part Number: ez80190
• Description: Ez80190 Microprocessor
• Manufacturer: ZiLOG Semiconductor

PS006613-0306
MISO0/1
MOSI0/1
DCD0/1
DSR0/1
RXD0/1
SDA0/1
SCK0/1
CTS0/1
DTR0/1
RTS0/1
TXD0/1
SCL0/1
SS0/1
RI0/1
ZiLOG Interface
Asynchronous
Universal
Transmitter
Peripheral
Universal
Receiver/
Interface
Interface
UART
UZI
Serial
Serial
(2)
SPI
I
(2)
(2)
(2)
2
C
Purpose
General
I/O Port
GPIO
Figure 1. eZ80190 Block Diagram
(4)
Two-Channel
Accumulator
Controller
PRELIMINARY
Purpose
General
Multiply
8K Byte
MACC
SRAM
DMA
System Clock
Generator
Oscillator
Crystal
&
Dual-Port
Controller
Controller
Interface
Interrupt
1K Byte
MACC
ZiLOG
Debug
SRAM
eZ80
CPU
Bus
ZDI
Programmable
Timer/Counter
Interrupt
Vector
®
[7:0]
Reload
(6)
Chip Select
Wait State
Generator
HALT
BUSACK
BUSREQ
INSTRD
IORQ
MREQ
RD
WR
NMI
RESET
TEST
ZCL
ZDA
&
Watch-Dog
Timer
WDT
Architectural Overview
CS0
CS1
CS2
CS3
DATA[7:0]
ADDR[23:0]
3