EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 219
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 116. SPI Transmit Shift Register (SPI_TSR = 00BCh)
Table 117. SPI Receive Buffer Register
PS019215-0910
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 MCU
210
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