P80C32UBAA NXP Semiconductors, P80C32UBAA Datasheet - Page 4

• Manufacturer Part Number: P80C32UBAA
• Description: MCU 8-Bit 80C 80C51 CISC 32KB ROM 5V 44-Pin PLCC Tube
• Manufacturer: NXP Semiconductors

Specifications of P80C32UBAA

• Package: 44PLCC
• Device Core: 80C51
• Family Name: 80C
• Maximum Speed: 33 MHz
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 32
• Interface Type: UART
• Number Of Timers: 3
• Ram Size: 256 Byte
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Operating Temperature: 0 to 70 °C
• Controller Family/series: (8051) 8052
• No. Of I/o's: 32
• Ram Memory Size: 256Byte
• Cpu Speed: 33MHz
• No. Of Timers: 3
• Digital Ic Case Style: PLCC
• Supply: RoHS Compliant
• Core Size: 8bit
• Oscillator Type: External Only

Philips Semiconductors
BLOCK DIAGRAM
2000 Aug 07
80C51 8-bit microcontroller family
128/256 byte RAM ROMless low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
ALE/PROG
EAV
PSEN
RST
PP
V
V
CC
SS
XTAL1
CONTROL
REGISTER
TIMING
RAM ADDR
REGISTER
OSCILLATOR
AND
B
PD
XTAL2
RAM
ACC
TMP2
DRIVERS
P1.0–P1.7
PORT 1
PORT 1
LATCH
PSW
DRIVERS
P0.0–P0.7
PORT 0
PORT 0
LATCH
ALU
TMP1
4
TIMERS
SFRs
P2.0–P2.7
DRIVERS
PORT 2
PORT 2
LATCH
POINTER
DRIVERS
STACK
P3.0–P3.7
PORT 3
PORT 3
LATCH
ROM/EPROM
8
80C31/80C32
PROGRAM
REGISTER
PROGRAM
MULTIPLE
ADDRESS
COUNTER
MENTER
DPTR’S
INCRE-
BUFFER
PC
8
Product specification
SU00845
16