EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 76
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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Table 18. Example: Register Values for Figure 7 Memory Chip Select
Chip
Select
CS0
CS1
CS2
CS3
PS019215-0910
CSx_CTL[3]
CSx_EN
CS0_LBR = CS1_LBR = 00h
1
1
1
1
CSx_CTL[4]
CS2_UBR = CFh
CS3_UBR = FFh
CS1_UBR = 9Fh
CS0_UBR = 7Fh
CS3_LBR = D0h
CSx_IO
CS2_LBR = A0h
0
0
0
0
Figure 7. Example: Memory Chip Select
CSx_LBR
A0h
D0h
00h
00h
3 MB Address Space
3 MB Address Space
2 MB Address Space
8 MB Address Space
CS3 Active
CS2 Active
CS1 Active
CS0 Active
CSx_UBR Description
CFh
7Fh
9Fh
FFh
CS0 is enabled as a Memory chip
select. Valid addresses range from
000000h–7FFFFFh.
CS1 is enabled as a Memory chip
select. Valid addresses range from
800000h–9FFFFFh.
CS2 is enabled as a Memory chip
select. Valid addresses range from
A00000h–CFFFFFh.
CS3 is enabled as a Memory chip
select. Valid addresses range from
D00000h–FFFFFFh.
Memory
Location
FFFFFFh
D00000h
CFFFFFh
A00000h
9FFFFFh
800000h
7FFFFFh
000000h
Chip Selects and Wait States
Product Specification
eZ80F91 MCU
67
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