P80C557E4EFB/01,51 NXP Semiconductors, P80C557E4EFB/01,51 Datasheet - Page 68

• Manufacturer Part Number: P80C557E4EFB/01,51
• Description: IC 80C51 MCU 1024 ROMLESS 80QFP
• Manufacturer: NXP Semiconductors
• Series: 80Cr

Specifications of P80C557E4EFB/01,51

• 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: -
• Program Memory Type: ROMless
• Eeprom Size: -
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-BQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Philips Semiconductors
1999 Mar 02
PORT 0
PORT 2
PORT 0
PORT 2
Single-chip 8-bit microcontroller
PSEN
PSEN
ALE
ALE
WR
RD
t
t
AVLL
AVLL
FROM RI OR DPL
FROM RI OR DPL
A0–A7
A0–A7
t
t
LLAX
t
LLAX
t
AVWL
AVWL
t
t
LLWL
LLWL
t
P2.0–P2.7 OR A8–A15 FROM DPH
P2.0–P2.7 OR A8–A15 FROM DPH
AVDV
Figure 61. External Data Memory Read Cycle
Figure 62. External Data Memory Write Cycle
t
LLDV
t
QVWX
t
t
RLDV
RLAZ
t
QVWH
DATA OUT
t
WLWH
t
RLRH
68
t
RHDX
DATA IN
P83C557E4/P80C557E4/P89C557E4
t
RHDZ
t
t
WHLH
WHLH
t
WHQX
A0–A7 FROM PCL
A0–A7 FROM PCL
A8–A15 FROM PCH
A8–A15 FROM PCH
Product specification
INSTR IN
INSTR IN