ez80f92 ZiLOG Semiconductor, ez80f92 Datasheet - Page 10

• Manufacturer Part Number: ez80f92
• Description: Ez80acclaim Flash Microcontrollers
• Manufacturer: ZiLOG Semiconductor

PS015313-0508
DCD0/1
DSR0/1
RXD0/1
CTS0/1
DTR0/1
RTS0/1
TXD0/1
RI0/1
MISO
MOSI
SDA
SCK
SCL
SS
Encoder/
Decoder
IrDA
Asynchronous
Transmitter
Universal
Receiver/
Interface
Interface
Parallel
UART
Serial
Serial
SPI
I
(2)
2
C
8-bit General
Purpose
I/O Port
GPIO
(3)
Figure 1.eZ80F92 Block Diagram
128 KB/64 KB
Real-Time
8 KB/4 KB
Clock and
Oscillator
Memory
32 kHz
SRAM
Flash
System Clock
Generator
Oscillator
Crystal
and
JTAG/ZDI
Controller
Controller
Interface
Interrupt
RTC_VDD
RTC_XIN
RTC_XOUT
Debug
eZ80
CPU
Bus
Programmable
Timer/Counter
Interrupt
Vector
®
[7:0]
Reload
(6)
Chip Select
Wait State
Generator
BUSACK
BUSREQ
INSTRD
IORQ
MREQ
RD
WR
NMI
RESET
HALT_SLP
JTAG / ZDI Signals (5)
Product Specification
&
Watchdog
Timer
WDT
Architectural Overview
WAIT
CS0
CS1
CS2
CS3
DATA[7:0]
ADDR[23:0]
3