P87C54X2FBD NXP Semiconductors, P87C54X2FBD Datasheet - Page 55

• Manufacturer Part Number: P87C54X2FBD
• Description: MCU 8-Bit 87C 80C51 CISC 16KB EPROM 5V 44-Pin LQFP Tray
• Manufacturer: NXP Semiconductors

Specifications of P87C54X2FBD

• Package: 44LQFP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 33 MHz
• Ram Size: 256 Byte
• Program Memory Size: 16 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 32
• Interface Type: UART
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

Philips Semiconductors
80C54X2 ROM CODE SUBMISSION
When submitting a ROM code for the 80C54X2, the following must be specified:
1. 16 kbyte user ROM data
2. 64 byte ROM encryption key
3. ROM security bits.
Security Bit 1: When programmed, this bit has two effects on masked ROM parts:
1. External MOVC is disabled, and
2. EA is latched on Reset.
Security Bit 2: When programmed, this bit inhibits Verify User ROM.
NOTE: Security Bit 2 cannot be enabled unless Security Bit 1 is enabled.
If the ROM Code file does not include the options, the following information must be included with the ROM code.
For each of the following, check the appropriate box, and send to Philips along with the code:
2003 Jan 24
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
ADDRESS
0000H to 3FFFH
4000H to 403FH
4040H
4040H
Security Bit #1:
Security Bit #2:
Encryption:
Enabled
Enabled
No
CONTENT
DATA
KEY
SEC
SEC
Disabled
Disabled
Yes
If Yes, must send key file.
55
BIT(S)
7:0
7:0
0
1
P80C3xX2; P80C5xX2;
COMMENT
User ROM Data
ROM Encryption Key
FFH = no encryption
ROM Security Bit 1
0 = enable security
1 = disable security
ROM Security Bit 2
0 = enable security
1 = disable security
P87C5xX2
Product data