EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 106
EZ80F91NA050SC
Manufacturer Part Number
EZ80F91NA050SC
Description
IC ACCLAIM MCU 256KB 144-BGA
Manufacturer
Zilog
Series
eZ80® Acclaim!®r
Specifications of EZ80F91NA050SC
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
Data Bus Width
8 bit
Maximum Clock Frequency
50 MHz
Data Ram Size
16 KB
Number Of Programmable I/os
32
Number Of Timers
16 Bit
Operating Supply Voltage
3 V to 3.6 V
Mounting Style
SMD/SMT
Height
1.5 mm
Length
13 mm
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Width
13 mm
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 RoHS Version Available
Other names
269-3251
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Flash Memory
PS019215-0910
32 KB blocks
7
6
5
4
3
2
1
0
8
The eZ80F91 device features 256 KB (262,144 bytes) of non-volatile Flash memory with
Read/Write/Erase capability. The main Flash memory array is arranged in 128 pages with
8 rows per page and 256 bytes per row. In addition to main Flash memory, there are two
separately addressable rows which comprise a 512-byte information page.
In eight 32 KB blocks, 256 KB of main storage is protected. Protecting a 32 KB block
prevents Write or Erase operations. The lower 32 KB block (
tected using the external WP pin. This portion of memory is called the Boot block because
the CPU always starts executing code from this location at startup. If the application
requires external program memory, then the Boot block must at least contain a jump
instruction to move the Program Counter outside of the Flash memory space.
The Flash memory arrangement is displayed in
Figure 23. eZ80F91 Flash Memory Arrangement
2 KB pages
per block
16
E
D
C
B
A
F
9
8
7
6
5
4
3
2
1
0
256-byte rows
per page
8
7
6
5
4
3
2
1
0
Figure
255 254
23.
single-byte columns
00000h
per row
Product Specification
256
–
07FFFh
eZ80F91 MCU
1
Flash Memory
) is pro-
0
97
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