P89V51RB2FA NXP Semiconductors, P89V51RB2FA Datasheet - Page 67

• Manufacturer Part Number: P89V51RB2FA
• Description: MCU 8BIT 80C51 16K FLASH, PLCC44
• Manufacturer: NXP Semiconductors

Specifications of P89V51RB2FA

• Controller Family/series: (8051) 8052
• Core Size: 8bit
• No. Of I/o's: 32
• Program Memory Size: 16KB
• Ram Memory Size: 1KB
• Cpu Speed: 40MHz
• Oscillator Type: External Only
• No. Of Timers: 4
• No. Of Pwm: RoHS Compliant

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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