vrs51c1100 ETC-unknow, vrs51c1100 Datasheet - Page 26
vrs51c1100
Manufacturer Part Number
vrs51c1100
Description
Versa 8051 Mcu With 128kb Of Iap/isp Flash
Manufacturer
ETC-unknow
Datasheet
1.VRS51C1100.pdf
(50 pages)
- Current page: 26 of 50
- Download datasheet (444Kb)
In Mode 2, the baud rate is programmable to either
1/32 or 1/64 the oscillator frequency.
F
______________________________________________________________________________________________
www.ramtron.com
SMOD
Fosc/2
IGURE
Write to
VRS51C1100
SBUF
÷2
0 1
19: S
RXD
1-0 Transition
Sample
Detector
ERIAL
÷16
1
P
ORT
S
D
CLK
Start
Detector
LOAD SBUF
Stop
Start
TX Clock
÷16
M
Bit
Q
ODE
RX Clock
Control
2 B
ZERO DETECTOR
LOCK
TX Control Unit
RX Control Unit
Internal Bus
D
TI
RI
Internal Bus
IAGRAM
SBUF
SBUF
9-Bit Shift Register
Shift
Serial Port
Interrupt
Shift
Send
Data
SBUF
SHIFT
READ SBUF
Load
TXD
UART Operation in Mode 3
In Mode 3, 11 bits are transmitted (through TXD) or
received
composed of: a Start bit (low), 8 data bits (LSB first), a
programmable 9
Mode 3 is identical to Mode 2 in all respects but one,
the baud rate. Either Timer 1 or Timer 2 generates the
baud rate in Mode 3.
F
SMOD
RCLK
IGURE
Timer 1
Overflow
÷2
0 1
Write to
0
0
20: S
SBUF
Timer 2
Overflow
1
1
RXD
TCLK
1-0 Transition
ERIAL
SAMPLE
Detector
(through
÷16
P
1
ORT
S
D
M
CLK
RX Clock
Start
Detector
th
LOAD SBUF
÷16
ODE
Start
TX Clock
Bit
Q
data bit and a Stop bit (high).
3 B
Shift
ZERO DETECTOR
RXD).
LOCK
TX Control Unit
RX Control Unit
Internal Bus
D
TI
RI
Internal Bus
IAGRAM
SBUF
SBUF
9-Bit Shift Register
The
Serial Port
Interrupt
Shift
Send
Data
SBUF
SHIFT
READ SBUF
Load
transactions
page 26 of 50
are
TXD
Related parts for vrs51c1100
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
ETC-unknow
Datasheet:
Part Number:
Description:
Manufacturer:
ETC-unknow
Datasheet: