EZ80190AZ050SG Zilog, EZ80190AZ050SG Datasheet - Page 77

• Manufacturer Part Number: EZ80190AZ050SG
• Description: IC WEBSERVER 8 BIT 50MHZ 100LQFP
• Manufacturer: Zilog

Specifications of EZ80190AZ050SG

• Processor Type: eZ80
• Features: High Speed, Single-Cycle Instruction-Fetch
• Speed: 50MHz
• Voltage: 3.3V
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Processor Series: EZ80190x
• Core: eZ80
• Data Bus Width: 8 bit
• Program Memory Type: ROMLess
• Data Ram Size: 8 KB
• Interface Type: I2C, IrDA, SPI, UART
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 6
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-3866; EZ80190AZ050SG

Universal Asynchronous Receiver/
Transmitter
PS006614-1208
To eZ80
The UART module implements all of the logic required to support asynchronous commu-
nications protocol. The module also implements two separate 16-byte FIFOs for both
transmit and receive. A block diagram of the UART is displayed in
The UART module provides the following asynchronous communications protocol related
features/functions:
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•
•
•
•
•
®
CPU
5, 6, 7 or 8-bit data transmission
Even/odd or no parity bit generation and detection
Start and stop bit generation and detection (supports up to two stop bits)
Line break detection and generation
Receiver overrun and framing error detection
Logic and associated I/O to provide modem hand-shake capability
Address
Interrupt
Signal
Data
I/O
Figure 12. UART Block Diagram
Transmit
Receive
Modem
Control
Buffer
Buffer
Logic
Universal Asynchronous Receiver/Transmitter
RxD0/RxD1
TxD0/TxD1
CTS0/CTS1
RTS0/RTS1
DSR0/DSR1
DTR0/DTR1
DCD0/DCD1
RI0/RI1
Product Specification
Figure
12.
eZ80190
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