EZ80F91NAA50EG Zilog, EZ80F91NAA50EG Datasheet - Page 220
![IC ACCLAIM MCU 256KB 144BGA](/photos/12/15/121561/ez80f91naa50eg_sml.jpg)
EZ80F91NAA50EG
Manufacturer Part Number
EZ80F91NAA50EG
Description
IC ACCLAIM MCU 256KB 144BGA
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91NAA50EG
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
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
I2C, IrDA, SPI
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3 V to 3.6 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
eZ80F910300ZCOG, eZ80F910200KITG
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
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
269-4565
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 116. SPI Transmit Shift Register (SPI_TSR = 00BCh)
Table 117. SPI Receive Buffer Register
PS027001-0707
Bit
Reset
CPU Access
Note: W = Write Only.
Bit
Position
[7:0]
TX_DATA
Bit
Reset
CPU Access
Note: R = Read Only.
Bit
Position
[7:0]
RX_DATA
SPI Receive Buffer Register
The SPI Receive Buffer register (SPI_RBR) is used by the SPI slave to receive data from
the serial bus. The SPIF bit must be cleared prior to a second transfer of data from the shift
register; otherwise, an overrun condition exists. In the event of an overrun, the byte that
causes the overrun is lost.
The SPI Receive Buffer Read Only register shares the same address space as the SPI
Transmit Shift Write Only register. See
Value
00h–FFh SPI transmit data.
Value
00h–FFh
W
X
X
R
7
7
Description
Description
SPI received data.
W
X
X
R
6
6
W
X
X
R
5
5
(SPI_RBR = 00BCh)
W
X
X
R
4
4
Table
W
R
X
X
3
3
117.
W
R
X
X
2
2
W
R
X
X
1
1
Product Specification
Serial Peripheral Interface
W
R
X
X
0
0
eZ80F91 ASSP
212
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