P87C51RD2BA

Manufacturer Part NumberP87C51RD2BA
Description357-036-542-201 CARDEDGE 36POS DL .156 BLK LOPRO
ManufacturerNXP Semiconductors
P87C51RD2BA datasheets

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Download datasheet (422Kb)Embed
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Philips Semiconductors
80C51 8-bit microcontroller family
with 512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high
speed (30/33 MHz)
Timer 1
Overflow
Write
2
to
SBUF
SMOD = 1
SMOD = 0
16
Serial
Port
Interrupt
Sample
1-to-0
Transition
Detector
RxD
TX
Clock
Write to SBUF
Send
Data
S1P1
Shift
Start Bit
TxD
D0
D1
TI
Stop Bit Gen.
16 Reset
RX
Clock
Start
RxD
D0
D1
Bit
Bit Detector
Sample Times
Shift
RI
2003 Jan 24
8KB/16KB/32KB/64KB OTP
80C51 Internal Bus
TB8
S
D
Q
SBUF
CL
Zero Detector
Start
Shift
Data
TX Control
TX Clock
T1
Send
16
Load
R1
RX Clock
SBUF
RX Control
Shift
Start
1FFH
Bit Detector
Input Shift Register
(9 Bits)
Load
SBUF
SBUF
Read
SBUF
80C51 Internal Bus
D2
D3
D4
D5
D6
D2
D3
D4
D5
D6
Figure 12. Serial Port Mode 3
27
Product data
P87C51RA2/RB2/RC2/RD2
TxD
Shift
Transmit
D7
TB8
Stop Bit
D7
RB8
Stop Bit
Receive
SU00542