P80C557E4EFB NXP Semiconductors, P80C557E4EFB Datasheet - Page 53

• 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
*
RST
PSEN
ALE/WE
EA
UBS1, UBS0
In the program execution between 63k and 64k setting of UBS bits is not allowed.
External
Program
Memory
(EA = 0)
Start at 0000H in user program
7FFFH
USER MODE
64 K
63 K
32 K
0
0,0
External
Program
Figure 48. Program memory map and operation modes
Memory
(EA = X)
Security
X,X
Program
Memory
(EA = 1)
Internal
Byte
*
= UBS1, UBS0
internal
external
0,0
User-Boot selection bits in FMCON
53
P83C557E4/P80C557E4/P89C557E4
External
Program
Memory
(EA = 0)
Start in BOOTROM
BOOT MODE
64 K
63 K
32 K
0
1,1
BOOTROM
External
Program
Program
Memory
(EA = X)
Memory
Security
(EA = 1)
Internal
Byte
Product specification
High Level
Low Level
0,1