P89C51RB2HBA NXP Semiconductors, P89C51RB2HBA Datasheet - Page 25

• Manufacturer Part Number: P89C51RB2HBA
• Manufacturer: NXP Semiconductors

Specifications of P89C51RB2HBA

• Cpu Family: 89C
• Device Core: 80C51
• Device Core Size: 8b
• Frequency (max): 33MHz
• Interface Type: UART
• Program Memory Type: Flash
• Program Memory Size: 16KB
• Total Internal Ram Size: 512Byte
• # I/os (max): 32
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 44
• Package Type: PLCC
• Lead Free Status / Rohs Status: Not Compliant

Philips Semiconductors
2002 May 24
OSC/12 (12 CLOCK MODE)
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/512B/1KB RAM
OSC/4 (12 CLOCK MODE)
OSC/6 (6 CLOCK MODE)
OSC/2 (6 CLOCK MODE)
EXTERNAL INPUT
IDLE
TIMER 0 OVERFLOW
(P1.2/ECI)
PCA TIMER/COUNTER
MODULE 0
MODULE 1
MODULE 2
MODULE 3
MODULE 4
OR
OR
CMOD.0
ECF
CIDL
CF
00
01
10
11
Figure 16. PCA Interrupt System
WDTE
CCAPMn.0
Figure 15. PCA Timer/Counter
CF
CR
DECODE
CR
––
––
ECCFn
22
CCF4
––
––
CCF4
CCF3
––
16–BIT UP COUNTER
CH
CCF3
CCF2
CPS1
P89C51RB2/P89C51RC2/
CCF2
CCF1
CPS0
IE.6
CL
EC
OVERFLOW
CCF1
CCF0
P89C51RD2Hxx
ECF
IE.7
EA
MODULES
TO PCA
CMOD
CCON
(C1H)
(C0H)
CCF0
TO
INTERRUPT
PRIORITY
DECODER
INTERRUPT
CCON
(C0H)
SU01097
SU01256
Product data