EZ80F91NA050SG Zilog, EZ80F91NA050SG Datasheet - Page 241
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
ZDI-Supported Protocol
ZDI allows reading and writing of most internal registers without disturbing the state of
the machine. Reads and Writes to memory occurs as fast as the ZDI downloads and
uploads data, with a maximum supported ZDI clock frequency of 0.4 times the eZ80F91
system clock frequency. Also, regardless of the ZDI clock frequency, the duration of the
low-phase of the ZDI clock (that is, ZCL = 0) must be at least 1.25 times the system clock
period.
For the description on how to enable the ZDI interface on the exit of RESET, see the
Activation
Table 132. Recommend ZDI Clock versus System Clock Frequency
ZDI supports a bidirectional serial protocol. The protocol defines any device that sends
data as the transmitter and any receiving device as the receiver. The device controlling the
transfer is the master and the device being controlled is the slave. The master always ini-
tiates the data transfers and provides the clock for both receive and transmit operations.
The ZDI block on the eZ80F91 device is considered a slave in all data transfers.
Figure 49
This connector allows you to connect directly to the USB Smart Cable emulator using a
six-pin header.
System Clock Frequency
12–24 MHz
20–50 MHz
3–10 MHz
8–16 MHz
on page 233 displays the schematic for building a connector on a target board.
on page 258.
ZDI Clock Frequency
1 MHz
2 MHz
4 MHz
8 MHz
Product Specification
Zilog Debug Interface
eZ80F91 MCU
OCI
232
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