EZ80F91AZA50EG Zilog, EZ80F91AZA50EG Datasheet - Page 199
EZ80F91AZA50EG
Manufacturer Part Number
EZ80F91AZA50EG
Description
IC ACCLAIM MCU 256KB 144LQFP
Manufacturer
Zilog
Series
eZ80® AcclaimPlus!™r
Datasheet
1.EZ80F91AZA50SG.pdf
(387 pages)
Specifications of EZ80F91AZA50EG
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-LQFP
Processor Series
EZ80F91x
Core
eZ80
Data Bus Width
8 bit
Data Ram Size
16 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
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
269-4563
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Table 105. UART Modem Control Registers
PS027001-0707
Bit
Reset
CPU Access
Note: R = Read Only; R/W = Read/Write.
Bit
Position
7
6
POLARITY
5
MDM
4
LOOP
3
OUT2
2
OUT1
UART Modem Control Register
This register is used to control and check the modem status. See
Value
0
0
1
0
1
0
1
0–1
0–1
Description
Reserved
TxD and RxD signals—Normal Polarity.
Invert Polarity of TxD and RxD signals.
Multidrop Mode disabled.
Multidrop Mode enabled. See
select definitions.
LOOP BACK mode is not enabled.
LOOP BACK mode is enabled.
The UART operates in internal LOOP BACK mode. The
transmit data output port is disconnected from the internal
transmit data output and set to 1. The receive data input port is
disconnected and internal receive data is connected to internal
transmit data. The modem status input ports are disconnected
and the four bits of the modem control register are connected
as modem status inputs. The two modem control output ports
(OUT1&2) are set to their inactive state
No function in normal operation.
In LOOP BACK mode, this bit is connected to the DCD bit in
the UART Status Register.
No function in normal operation.
In LOOP BACK mode, this bit is connected to the RI bit in the
UART Status Register.
R
7
0
R/W
6
0
R/W
5
0
R/W
(UART0_MCTL = 00C4h, UART1_MCTL = 00D4h)
4
0
Table 104
R/W
3
0
Universal Asynchronous Receiver/Transmitter
on page 189 for parity
R/W
2
0
R/W
1
0
Product Specification
Table
R/W
0
0
105.
eZ80F91 ASSP
191
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