P87C554SBAA,512 NXP Semiconductors, P87C554SBAA,512 Datasheet - Page 29

• Manufacturer Part Number: P87C554SBAA,512
• Description: IC 80C51 MCU 16K OTP 64-PLCC
• Manufacturer: NXP Semiconductors
• Series: 87Cr

Specifications of P87C554SBAA,512

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, I²C, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 40
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 68-PLCC
• Cpu Family: 87C
• Device Core: 80C51
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: I2C/UART
• Total Internal Ram Size: 512Byte
• # I/os (max): 40
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• On-chip Adc: 7-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 68
• Package Type: PLCC
• Processor Series: P87C5x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 40
• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 568-1254-5; 935263385512; P87C554SBAA

Philips Semiconductors
2002 Mar 25
80C51 8-bit microcontroller – 12 clock operation
16K/512 OTP/RAM, 8 channel 10-bit A/D, I
capture/compare, high I/O
Rm = 0.5 - 3 k
C
R
NOTE:
Because the analog to digital converter has a sampled-data comparator, the input looks capacitive to a source. When a conversion
is initiated, switch Sm closes for 8t
should be noted that the sampling causes the analog input to present a varying load to an analog source.
S
S
+ C
= Recommended < 9.6 k for 1 LSB @ 12 MHz
C
= 15 pF maximum
R
V
S
in
– V
+
digital
CODE
OUT
CY
V
ANALOG
INPUT
(8 s @ 12 MHz crystal frequency) during which time capacitance C
Figure 26. Effective Conversion Characteristic
I
N+1
Figure 25. A/D Input: Equivalent Circuit
I
101
100
010
001
000
011
N
QUANTIZATION ERROR
SYMMETRICAL QUANTIZATION ERROR
0
2
q
C, PWM,
+ q/2
– q/2
Sm
Sm
C
S
N+1
N
MULTIPLEXER
2q
27
Rm
Rm
3q
q = LSB = 5 mV
N+1
N
4q
5q
V
V
C
in
in
C
TO COMPARATOR
SU00963
S
+ C
C
is charged. It
SU00962
P87C554
Product data