EZ80190AZ050EC00TR Zilog, EZ80190AZ050EC00TR Datasheet - Page 83
![IC EZ80 ACCLAIM 50MHZ 100LQFP](/photos/6/76/67664/269-100-lqfp_sml.jpg)
EZ80190AZ050EC00TR
Manufacturer Part Number
EZ80190AZ050EC00TR
Description
IC EZ80 ACCLAIM 50MHZ 100LQFP
Manufacturer
Zilog
Datasheet
1.EZ80190AZ050SG.pdf
(221 pages)
Specifications of EZ80190AZ050EC00TR
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 Transmit Holding Register
Table 26. UART Transmit Holding Registers
UART Receive Buffer Register
Table 27. UART Receive Buffer Registers
Bit
Reset
CPU Access
Note: W = Write Only.
Bit
Position
[7:0]
TXD
Bit
Reset
CPU Access
Note: R = Read Only.
with a value of 0. READ/WRITE attributes, reset conditions, and bit descriptions of all
UART registers are provided in this section.
If less than eight bits are programmed for transmission, the lower bits of the byte written
to the UART Transmit Holding Register, listed in
The transmit FIFO is mapped at this address. You can write up to 16 bytes for transmission
at one time to this address if the FIFO is enabled by the application. If the FIFO is dis-
abled, this buffer is only one byte deep. These registers share the same address space as
the UARTx_RBR and BRGx_DLR_L registers.
The bits in this register reflect the data received. If less than eight bits are programmed for
the receive function, the lower bits of the byte reflect the bits received, whereas upper
unused bits are 0. The receive FIFO is mapped at this address. If the FIFO is disabled, this
buffer is only one byte deep.
The registers in the UART Receive Buffer, listed in
as the UARTx_THR and BRGx_DLR_L registers.
Value
00h–
FFh
Description
Transmit data byte.
W
X
R
7
7
0
W
X
R
6
6
0
W
X
R
5
5
0
(UART0_RBR = C0h, UART1_RBR = D0h)
(UART0_THR = C0h, UART1_THR = D0h)
W
R
X
4
4
0
Universal Asynchronous Receiver/Transmitter
Table
Table
W
R
X
3
3
0
26, are selected for transmission.
27, share the same address space
W
R
X
2
2
0
Product Specification
W
R
X
1
1
0
W
X
R
0
0
0
eZ80190
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