EZ80190AZ050SC00TR Zilog, EZ80190AZ050SC00TR Datasheet - Page 92
EZ80190AZ050SC00TR
Manufacturer Part Number
EZ80190AZ050SC00TR
Description
IC EZ80 ACCLAIM 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050SC00TR
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
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PS006614-1208
UART Scratch Pad Registers
Bit
Position
7
DCD
6
RI
5
DSR
4
CTS
3
DDCD
2
TERI
1
DDSR
0
DCTS
The UARTx_SPR registers, listed in
general-purpose Read/Write registers.
Value
0–1
0–1
0–1
0–1
0–1
0–1
0–1
0–1
Description
Data Carrier Detect
In NORMAL mode, this bit reflects the inverted state of the
DCDx input pin. In LOOP-BACK mode, this bit reflects the
value of the UARTx_MCTL[3] = OUT2.
Ring Indicator
In NORMAL mode, this bit reflects the inverted state of the RIx
input pin. In LOOP-BACK mode, this bit reflects the value of
the UARTx_MCTL[2] = OUT1.
Data Set Ready
In NORMAL mode, this bit reflects the inverted state of the
DSRx input pin. In LOOP-BACK mode, this bit reflects the
value of the UARTx_MCTL[0] = DTR.
Clear to Send
In NORMAL mode, this bit reflects the inverted state of the
CTSx input pin. In LOOP-BACK mode, this bit reflects the
value of the UARTx_MCTL[1] = RTS.
Delta Status Change of DCD
This bit is set to 1 whenever the DCDx pin changes state. This
bit is reset to 0 when the UARTx_MSR register is read.
Trailing Edge Change on RI
This bit is set to 1 whenever a falling edge is detected on the
RIx pin. This bit is reset to 0 when the UARTx_MSR register is
read.
Delta Status Change of DSR
This bit is set to 1 whenever the DSRx pin changes state. This
bit is reset to 0 when the UARTx_MSR register is read.
Delta Status Change of CTS
This bit is set to 1 whenever the CTSx pin changes state. This
bit is reset to 0 when the UARTx_MSR register is read.
Table 37
on page 83, can be used by the system as
Universal Asynchronous Receiver/Transmitter
Product Specification
eZ80190
82
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