P83C654X2FBD/CV710 NXP Semiconductors, P83C654X2FBD/CV710 Datasheet - Page 24
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P83C654X2FBD/CV710
Manufacturer Part Number
P83C654X2FBD/CV710
Description
8-bit Microcontrollers - MCU P83C654X2FBD/LQFP44/TRAYBM//CV
Manufacturer
NXP Semiconductors
Datasheet
1.P83C654X2FBDCV710.pdf
(88 pages)
Specifications of P83C654X2FBD/CV710
Core
80C51
Data Bus Width
8 bit
Maximum Clock Frequency
16 MHz
Program Memory Size
16 KB
Data Ram Size
256 B
Operating Supply Voltage
5 V
Package / Case
SOT-187-2
Mounting Style
SMD/SMT
Interface Type
I2C, Serial
Number Of Programmable I/os
4
Number Of Timers
3
Processor Series
80C51
Program Memory Type
OTP EPROM
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Philips Semiconductors
2004 Apr 20
80C51 8-bit microcontroller family
256B RAM, low voltage (2.7 to 5.5 V), low power, high speed
(30/33 MHz)
TxD (Shift Clock)
TI
RI
Receive
Shift
RxD (Data In)
TxD (Shift Clock)
Send
Shift
RxD (Data Out)
S4 . .
ALE
S1
Write to SBUF
Write to SCON (Clear RI)
. . . .
S6P2
SBUF
Write
to
S6
S6
REN
RI
S1
. . . .
D0
S3P1
S6
D0
S1
Interrupt
S5P2
Serial
Port
. . . .
D1
D
S6P1
CL
S
S6
D1
Q
16 kB OTP/ROM,
S1
LSB
. . . .
TX Clock
Start
Read
SBUF
Start
RX Clock
D2
S6
LSB
Load
SBUF
Figure 15. Serial Port Mode 0
D2
Zero Detector
S1
TX Control
RX Control
1
. . . .
D3
80C51 Internal Bus
80C51 Internal Bus
1
T1
R1
Input Shift Register
SBUF
1
S6
D3
1
SBUF
S1
24
1
. . . .
D4
1
Receive
1
S6
Shift
Send
Shift
D4
0
S1
Shift
MSB
. . . .
D5
MSB
S6
D5
S1
. . . .
D6
P83C654X2/P87C654X2
Shift
Clock
S6
D6
S1
. . . .
D7
Function
P3.0 Alt
Input
RxD
S6
D7
S1
Function
P3.0 Alt
Output
. . . .
RxD
S6
Function
P3.1 Alt
Output
S1
TxD
Product data
Transmit
Receive
SU00539
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