EZ80F91NA050EC Zilog, EZ80F91NA050EC Datasheet - Page 7

• Manufacturer Part Number: EZ80F91NA050EC
• Description: IC ACCLAIM MCU 256KB 144-BGA
• Manufacturer: Zilog
• Series: eZ80® Acclaim!®r

Specifications of EZ80F91NA050EC

• 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-LBGA
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 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: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: No
• Other names: 269-3250

Pin Diagrams
Figure 2
PB013505-0607
VDD
VDD
VDD
VDD
VSS
VSS
VSS
VSS
CS0
CS1
CS2
CS3
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A21
A22
A23
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
illustrates the 144-pin LQFP pin configuration of eZ80F91 MCU.
1
10
30
36
20
Figure 2. eZ80F91 MCU 144-Pin LQFP Pin Configuration
144-Pin LQFP
eZ80Acclaim!
®
108
100
Flash Microcontrollers
90
80
73
VSS
PB7/MOSI
PB6/MISO
PB5/IC3
PB4/IC2
PB3/SCK
PB2/SS
PB1/IC1
PB0/IC0/EC0
VSS
VDD
PC7/RI1
PC6/DCD1
PC5/DSR1
PC4/DTR1
PC3/CTS1
PC2/RTS1
PC1/RxD1
PC0/TxD1
VSS
VDD
PLL_VDD
XIN
XOUT
PLL_VSS
LOOP_FILT
VSS
VDD
PD7/RI0
PD6/DCD0
PD5/DSR0
PD4/DTR0
PD3/CTS0
PD0/TxD0/IR_TXD
PD2/RTS0
PD1/RxD0/IR_RXD
eZ80F91 MCU
Product Brief
7