P80C32UBAA,512 NXP Semiconductors, P80C32UBAA,512 Datasheet - Page 12

• Manufacturer Part Number: P80C32UBAA,512
• Description: IC 80C51 MCU 8BIT ROMLESS 44PLCC
• Manufacturer: NXP Semiconductors
• Series: 80Cr

Specifications of P80C32UBAA,512

• Program Memory Type: ROMless
• Package / Case: 44-PLCC
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Processor Series: P80C3x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: UART
• Maximum Clock Frequency: 33 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: 0 C
• Program Memory Size: 32 KB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 568-1234-5; 935255810512; P80C32UBAA

Philips Semiconductors
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)
OSC
OSC
T2EX Pin
T2 Pin
T2 PIN
12
2
Transition
Detector
NOTE: OSC. Freq. is divided by 2, not 12.
C/T2 = 0
C/T2 = 1
C/T2 = 0
C/T2 = 1
Note availability of additional external interrupt.
EXEN2
TR2
Control
Figure 5. Timer 2 Auto Reload Mode (DCEN = 1)
Figure 6. Timer 2 in Baud Rate Generator Mode
CONTROL
TR2
Control
(DOWN COUNTING RELOAD VALUE)
EXF2
(UP COUNTING RELOAD VALUE)
RCAP2L
FFH
TL2
RCAP2L
(8-bits)
Interrupt
12
Timer 2
TL2
RCAP2H
FFH
TH2
(8-bits)
RCAP2H
TH2
OVERFLOW
Reload
T2EX PIN
“1”
“1”
2
COUNT
DIRECTION
1 = UP
0 = DOWN
“0”
“0”
“0”
Overflow
Timer 1
TOGGLE
80C31/80C32
TF2
“1”
Product specification
16
16
EXF2
SMOD
RCLK
TCLK
INTERRUPT
SU00068
SU00730
RX Clock
TX Clock