EZ80F91NA050SC Zilog, EZ80F91NA050SC Datasheet - Page 192
![IC ACCLAIM MCU 256KB 144-BGA](/photos/12/15/121558/269-144-bga_sml.jpg)
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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- Download datasheet (3Mb)
Table 95. UART Baud Rate Generator Register—High Bytes
UART1_BRG_H = 00D1h)
PS019215-0910
Bit
Reset
CPU Access
Note: R = Read only; R/W = Read/Write.
Bit
Position
[7:0]
UART_BRG_H
UART Registers
After a system reset, all UART registers are set to their default values. Any Writes to unused
registers or register bits are ignored and reads return a value of 0. For compatibility with
future revisions, unused bits within a register must always be written with a value of 0.
Read/Write attributes, reset conditions, and bit descriptions of all of the UART registers are
provided in this section.
UART Transmit Holding Register
If less than eight bits are programmed for transmission, the lower bits of the byte written
to this register are selected for transmission. The Transmit FIFO is mapped at this address.
You can write up to 16 bytes for transmission at one time to this address if the FIFO is
enabled by the application. If the FIFO is disabled, this buffer is only one byte deep.
These registers share the same address space as the UARTx_RBR and UARTx_BRG_L
registers. See
Value
00h–FFh
Table 96
R/W
7
0
Description
These bits represent the High byte of the 16-bit BRG divider value. The
complete BRG divisor value is returned by {UART_BRG_H,
UART_BRG_L}.
on page 184.
R/W
6
0
R/W
5
0
R/W
4
0
Universal Asynchronous Receiver/Transmitter
R/W
(UART0_BRG_H = 00C1h,
3
0
R/W
Product Specification
2
0
R/W
eZ80F91 MCU
1
0
R/W
0
0
183
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