EZ80L92MCU Datasheet, PDF (18/241 Pages) Zilog, Inc. – eZ80Acclaim Flash Microcontrollers

eZ80L92 MCU
Product Specification
3
SCL
SDA
I²C
Serial
Interface
Real-Time
Clock and
32 KHz
Oscillator
RTC_V_DD
RTC_X_IN
RTC_X_OUT
Bus
Controller
BUSACK
BUSREQ
INSTRD
IORQ
MREQ
RD
WR
SCK
SS
MISO
MOSI
Serial
Peripheral
Interface
(SPI)
CTS0/1
DCD0/1
DSR0/1
DTR0/1
RI0/1
RTS0/1
RxD0/1
TxD0/1
Universal
Asynchronous
Receiver/
Transmitter
(UART)
IrDA
Encoder/
Decoder
8-Bit
General
Purpose
I/O Port
(GPIO)
eZ80
CPU
ZiLOG
Debug
Interface
(JTAG/ZDI)
Interrupt
Vector
[7:0]
Interrupt
Controller
NMI
RESET
HALT_SLP
JTAG/ZDI Signals (5)
Chip
Select
and
Wait State
Generator
WAIT
CS0
CS1
CS2
CS3
Crystal
Oscillator
and
System Clock
Generator
DATA[7:0]
ADDR[23:0]
Programmable
Reload
Timer/Counters
(6)
Watch-Dog
Timer
(WDT)
PS013012-1004
Figure 1. eZ80L92 Block Diagram
PRELIMINARY
Architectural Overview