P89V51RB2FN NXP Semiconductors, P89V51RB2FN Datasheet - Page 67
P89V51RB2FN
Manufacturer Part Number
P89V51RB2FN
Description
IC, MCU 8BIT 80C51 16K FLASH, DIP40
Manufacturer
NXP Semiconductors
Datasheet
1.P89V51RC2FBC557.pdf
(80 pages)
Specifications of P89V51RB2FN
Controller Family/series
(8051) 8052
Core Size
8bit
No. Of I/o's
32
Program Memory Size
16KB
Ram Memory Size
1KB
Cpu Speed
33MHz
Oscillator Type
External Only
No. Of Timers
4
No. Of Pwm
RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
P89V51RB2FN
Manufacturer:
NXP/恩智浦
Quantity:
20 000
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NXP Semiconductors
P89V51RB2_RC2_RD2_5
Product data sheet
Fig 32. External data memory read cycle
Fig 33. External data memory write cycle
PSEN
port 0
port 2
ALE
RD
PSEN
port 0
port 2
ALE
WR
t
AVLL
from RI to DPL
A0 to A7
t
A0 to A7 from RI or DPL
LHLL
t
AVLL
t
LLAX
t
AVWL
t
LLWL
P2[7:0] or A8 to A15 from DPH
t
AVWL
t
AVDV
P2.0 to P2.7 or A8 to A15 from DPH
t
RLAZ
t
LLDV
t
LLAX
t
LLWL
Rev. 05 — 12 November 2009
t
t
RLRH
RLDV
t
QVWH
DATA OUT
t
WLWH
DATA IN
t
RHDX
P89V51RB2/RC2/RD2
t
RHDZ
t
WHLH
t
t
WHLH
WHQX
8-bit microcontrollers with 80C51 core
A0 to A7 from PCL
A0 to A7 from PCL
A0 to A15 from PCH
A8 to A15 from PCH
INSTR IN
002aaa550
© NXP B.V. 2009. All rights reserved.
INSTR IN
002aaa549
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