EZ80L92AZ050EC00TR Zilog, EZ80L92AZ050EC00TR Datasheet - Page 124
EZ80L92AZ050EC00TR
Manufacturer Part Number
EZ80L92AZ050EC00TR
Description
IC EZ80 MPU 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80L92AZ020SG.pdf
(231 pages)
Specifications of EZ80L92AZ050EC00TR
Processor Type
eZ80
Features
High Speed, Single-Cycle Instruction-Fetch
Speed
50MHz
Voltage
3.3V
Mounting Type
Surface Mount
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
EZ80L92AZ050EC00T
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PS013014-0107
UART Line Status Registers
This register is used to show the status of UART interrupts and registers. See
Table 63. UART Line Status Registers (UART0_LSR = 00C5h, UART1_LSR = 00 D5h)
Bit
Position
3
OUT2
2
OUT1
1
RTS
0
DTR
Bit
Reset
CPU Access
Note: R = Read only.
Bit
Position
7
ERR
Value Description
Value Description
0–1
0–1
0–1
0–1
0
1
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.
Request to Send.
In normal operation, the RTS output port is the inverse of this
bit. In LOOP BACK mode, this bit is connected to the CTS bit in
the UART Status Register.
Data Terminal Ready.
In normal operation, the DTR output port is the inverse of this
bit. In LOOP BACK mode, this bit is connected to the DSR bit
in the UART Status Register.
Always 0 when operating with the FIFO disabled. With the
FIFO enabled, this bit is reset when the UARTx_LSR register is
read and there are no more bytes with error status in the FIFO.
Error detected in the FIFO. There is at least 1 parity, framing or
break indication error in the FIFO.
R
7
0
R
6
1
R
5
1
Universal Asynchronous Receiver/Transmitter
R
4
0
R
3
0
Product Specification
R
2
0
eZ80L92 MCU
R
1
0
Table
63.
R
0
0
118
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