EZ80L92AZ020EC Zilog, EZ80L92AZ020EC Datasheet - Page 126
EZ80L92AZ020EC
Manufacturer Part Number
EZ80L92AZ020EC
Description
IC WEBSERVER 20MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80L92AZ020SG.pdf
(231 pages)
Specifications of EZ80L92AZ020EC
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
20MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
269-3167
EZ80L92AZ020EC
EZ80L92AZ020EC
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PS013014-0107
UART Modem Status Registers
This register is used to show the status of the UART signals. See
Table 64. UART Modem Status Registers (UART0_MSR = 00C6h, UART1_MSR =
Bit
Position
1
OE
0
DR
Bit
Reset
CPU Access
Note: R = Read only.
00 D6h)
Value Description
0
1
0
1
The received character at the top of the FIFO does not contain
an overrun error. This bit is reset to 0 when the UARTx_LSR
register is read.
Overrun error is detected. If the FIFO is not enabled, this
indicates that the data in the receive buffer register was not
read before the next character was transferred into the receiver
buffer register. If the FIFO is enabled, this indicates the FIFO
was already full when an additional character was received by
the receiver shift register. The character in the receiver shift
register is not put into the receiver FIFO.
This bit is reset to 0 when the UARTx_RBR register is read or
all bytes are read from the receiver FIFO.
Data ready. If the FIFO is not enabled, this bit is set to 1 when
a complete incoming character is transferred into the receiver
buffer register from the receiver shift register. If the FIFO is
enabled, this bit is set to 1 when a character is received and
transferred to the receiver FIFO.
X
R
7
X
R
6
R
X
5
Universal Asynchronous Receiver/Transmitter
R
X
4
R
X
3
Product Specification
Table
R
X
2
64.
eZ80L92 MCU
X
R
1
X
R
0
120
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