80C32 Datasheet, PDF (58/62 Pages) NXP Semiconductors – CMOS single-chip 8-bit microcontrollers

Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C52/80C54/80C58
80C58 ROM CODE SUBMISSION
When submitting ROM code for the 80C58, the following must be specified:
1. 32k byte user ROM data
2. 64 byte ROM encryption key
3. ROM security bits.
If submitting a file, the format is as follows:
ADDRESS
CONTENT
0000H to 7FFFH
DATA
8000H to 801FH
KEY
BIT(S)
7:0
7:0
8020H
SEC
0
8020H
SEC
1
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.
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
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:
Security Bit #1: V Enabled
V Disabled
Security Bit #2: V Enabled
V Disabled
Encryption:
V No
V Yes If Yes, must send key file.
1996 Aug 16
28