EZ80F91NA050SG Zilog, EZ80F91NA050SG Datasheet - Page 51
EZ80F91NA050SG
Manufacturer Part Number
EZ80F91NA050SG
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SG
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
0°C ~ 70°C
Package / Case
144-LBGA
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 KB
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 70 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG
Minimum Operating Temperature
0 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
269-3870
EZ80F91NA050SG
EZ80F91NA050SG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
EZ80F91NA050SG
Manufacturer:
ZILOG
Quantity:
20 000
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- Download datasheet (3Mb)
PS019215-0910
Internal RESET
System Clock
V
CC
Power-On Reset
Voltage Brownout Reset
= 0.0V
Signal
V
V
POR
VBO
A POR occurs every time the supply voltage to the part rises from below the Voltage
Brownout threshold (V
bandgap-referenced voltage detector sends a continuous RESET signal to the Reset con-
troller until the supply voltage (V
above V
Reset controller. After this analog delay element times out, the Reset controller holds the
eZ80F91 in RESET until the RESET mode timer expires. POR operation is displayed in
Figure
If the supply voltage (V
eZ80F91 device resets. The VBO protection circuitry detects the low supply voltage and
initiates a RESET via the Reset controller. The eZ80F91 remains in RESET until the sup-
ply voltage again returns above the POR voltage threshold (V
releases the internal RESET signal. The VBO circuitry rejects short negative brown-out
pulses to prevent spurious RESET events.
VBO operation is displayed in
to scale but for illustration purposes only.
3. The signals in
POR
, an on-chip analog delay element briefly maintains the RESET signal to the
Oscillator
Startup
Figure 3. Power-On Reset Operation
VBO
CC
Figure 3
T
ANA
) drops below the V
) to above the POR voltage threshold (V
Figure 4
are not drawn to scale but for displaying purposes only.
CC
RESET mode timer delay
) exceeds the POR voltage threshold. After V
on page 43. The signals in the figure are not drawn
VBO
after program execution begins, the
POR
Product Specification
) and the Reset controller
POR
Program Execution
). The internal
V
CC
CC
= 3.3V
Reset
rises
42
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