EZ80F91AZ050EG Zilog, EZ80F91AZ050EG Datasheet - Page 6

• Manufacturer Part Number: EZ80F91AZ050EG
• Description: IC ACCLAIM MCU 256KB 144LQFP
• Manufacturer: Zilog
• Series: eZ80® Acclaim!®r

Specifications of EZ80F91AZ050EG

• Core Processor: Z8
• Core Size: 8-Bit
• Speed: 50MHz
• Connectivity: Ethernet, I²C, IrDA, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 144-LQFP
• Processor Series: EZ80F91x
• Core: eZ80
• Data Bus Width: 8 bit
• Data Ram Size: 16 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: eZ80F910300ZCOG
• Minimum Operating Temperature: - 40 C
• For Use With: 269-4712 - KIT DEV ENCORE 32 SERIES269-4671 - BOARD ZDOTS SBC Z80ACCLAIM PLUS269-4561 - KIT DEV FOR EZ80F91 W/C-COMPILER269-4560 - KIT DEV FOR EZ80F91 W/C-COMPILER
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 269-3867; EZ80F91AZ050EG

Block Diagram
Figure 1
PB013505-0607
illustrates the block diagram of eZ80F91 MCU.
RTC_X
DCD0/1
DSR0/1
DTR0/1
RTC_V
CTS0/1
RTS0/1
RxD0/1
TxD0/1
RTC_X
RI0/1
MISO
MOSI
SDA
SCK
SCL
OUT
WP
SS
DD
IN
Encoder/
Decoder
IrDA
Asynchronous
Transmitter
Real Time
Clock and
Universal
Receiver/
Oscillator
Interface
Interface
32 KHz
Parallel
UART
Serial
Serial
SPI
I
(2)
2
C
8-bit General
Figure 1. eZ80F91 Block Diagram
Purpose
I/O Port
GPIO
(4)
MII Interface
Signals (18)
Ethernet
SRAM
8 KB
Memory
256 KB
MAC
Flash
System Clock
Generator
Oscillator,
PLL, and
Crystal
JTAG/ZDI
Controller
Controller
Interface
Interrupt
Arbiter
eZ80
Debug
CPU
Bus
Programmable
Timer/Counter
Interrupt
Vector
[8:0]
®
Reload
eZ80Acclaim!
(4)
Chip Select
Wait State
Generator
BUSACK
BUSREQ
INSTRD
IORQ
MREQ
RD
WR
NMI
HALT_SLP
JTAG / ZDI Signals (5)
&
SRAM
8 KB
Watchdog
POR/VBO
Timer
WDT
®
Flash Microcontrollers
WAIT
CS0
CS1
CS2
CS3
DATA[7:0]
ADDR[23:0]
Internal
Osc.
RC
eZ80F91 MCU
RESET
Product Brief
6