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| 型号： | AT83C5112 |
| 厂商： | Atmel Corp. |
| 英文描述： | 8-bit Microcontroller with A/D Converter |
| 中文描述： | 8位微控制器与A / D转换器 |
| 文件页数： | 72/97页 |
| 文件大小： | 1229K |
| 代理商： | AT83C5112 |
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72
AT8xC5112
4191B
–
8051
–
04/03
Configuration Byte
The configuration byte is a special register. Its content is defined by the diffusion mask
in the ROM version or is read or written by the OTP programmer in the OTP version.
This register can also be accessed as a read only register.
Table 58.
CONF - Configuration Byte (EFh)
Reset value = 1111 111X
Signature Bytes
The T87C5112 contains 4 factory programmed signatures bytes. To read these bytes,
perform the process described in Section .
EPROM Programming
Set-up Modes
In order to program and verify the EPROM or to read the signature bytes, the T87C5112
is placed in specific set-up modes (See Figure 30.).
Control and program signals must be held at the levels indicated in
Definition of Terms
Address Lines:
P1.0-P1.7, P2.0-P2.5, P3.4, P3.5 respectively for A0-A15 (P2.5 (A13)
for RB, P3.4 (A14) for RC, P3.5 (A15) for RD)
Data Lines:
P0.0-P0.7 for D0-D7
Control Signals:
RST, PSEN, P2.6, P2.7, P3.3, P3.6, P3.7.
Program Signals:
ALE/PROG, RST/VPP.
7
6
5
4
3
2
1
0
LB1
LB2
LB3
1
1
1
1
1
Bit Number
Bit Mnemonic Description
7:5
-
Program memory lock bits
See previous chapter for the definition of these bits.
4
-
Reserved
Leave this bit at 1.
3
-
Reserved
Leave this bit at 1.
2
-
Reserved
Leave this bit at 1.
1
-
Reserved
Leave this bit at 1.
0
-
Reserved
Leave this bit at 1.
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| AT87C5112 | 8-bit Microcontroller with A/D Converter |
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| AT80C51RB2-3CSIM | 80C51 High Performance ROM 8-bit Microcontroller |
| AT80C51RB2-3CSUM | 80C51 High Performance ROM 8-bit Microcontroller |
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相关代理商/技术参数 |
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| AT83C5121 | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with Multiprotocol Smart Card Interface |
| AT83C5121XXX-ICRUL | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with Multiprotocol Smart Card Interface |
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| AT83C5121XXX-PURUL | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with Multiprotocol Smart Card Interface |
| AT83C5121XXX-PUTUL | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-bit Microcontroller with Multiprotocol Smart Card Interface |
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