參數(shù)資料
型號(hào)： 87C58
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
中文描述： 80C51的8位單片機(jī)系列8K.64K/256.1K檢察官辦公室/光盤/無(wú)ROM，2.7V.5.5V低電壓，低功耗，高速33兆赫
文件頁(yè)數(shù)： 51/56頁(yè)
文件大?。?/td> 337K
代理商： 87C58
Philips Semiconductors
Product specification
8XC52/54/58/80C32
8XC51FA/FB/FC/80C51FA
8XC51RA+/RB+/RC+/RD+/80C51RA+
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
1999 Apr 01
51
ROM CODE SUBMISSION FOR 64K ROM DEVICE (83C51RD+)
When submitting ROM code for the 64K ROM devices, the following must be specified:
1. 64k byte user ROM data
2. 64 byte ROM encryption key
3. ROM security bits.
ADDRESS
CONTENT
BIT(S)
COMMENT
0000H to FFFFH
DATA
7:0
User ROM Data
10000H to 1003FH
KEY
7:0
ROM Encryption Key
FFH = no encryption
10040H
SEC
0
ROM Security Bit 1
0 = enable security
1 = disable security
10040H
SEC
1
ROM Security Bit 2
0 = enable security
1 = disable security
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:
Security Bit #1:
Enabled
Disabled
Security Bit #2:
Enabled
Disabled
Encryption:
No
Yes
If Yes, must send key file.
相關(guān)PDF資料
PDF描述
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