P80C557E4EFB NXP Semiconductors, P80C557E4EFB Datasheet - Page 4

• Manufacturer Part Number: P80C557E4EFB
• Manufacturer: NXP Semiconductors

Specifications of P80C557E4EFB

• Cpu Family: 80C
• Device Core: 80C51
• Device Core Size: 8b
• Frequency (max): 16MHz
• Interface Type: I2C/UART
• Program Memory Type: ROMLess
• Program Memory Size: Not Required
• Total Internal Ram Size: 1KB
• # 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: 8-chx10-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 80
• Package Type: PQFP
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
1999 Mar 02
Single-chip 8-bit microcontroller
*) only P89C557E4 with alternate function WE
CMT0
CMT1
ADC0-7
CMSR0-5
RSTOUT
ALE/WE
RSTIN
ADEXS
XTAL1
XTAL2
PWM0
PWM1
AVref+
AVref–
PSEN
AV
AV
SDA
SCL
EW
V
V
EA
DD
SS
DD
SS
*
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Figure 2. Functional diagram
4
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
P83C557E4/P80C557E4/P89C557E4
XTAL3
XTAL4
SELXTAL1
RXD/DATA
TXD/CLOCK
INT0
INT1
T0
T1
WR
RD
CT0I/INT2
CT1I/INT3
CT2I/INT4
CT3I/INT5
T2
RT2
0
1
2
3
4
5
6
7
HIGH ORDER ADDRESS BUS
A8–15
LOW ORDER ADDRESS
AND DATA BUS AD0–7
Product specification