參數(shù)資料
型號(hào)： 87C52X2
廠商： NXP Semiconductors N.V.
英文描述： 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
中文描述： 80C51的8位單片機(jī)系列4K/8K/16K/32K的ROM / RAM的檢察官辦公室128B/256B低電壓2.7至5.5 V，低功耗，高速33分之30兆赫
文件頁(yè)數(shù)： 50/62頁(yè)
文件大?。?/td> 403K
代理商： 87C52X2
Philips Semiconductors
Product data
P80C3xX2; P80C5xX2;
P87C5xX2
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)
2003 Jan 24
50
Table 9. EPROM Programming Modes
MODE
Read signature
Program code data
Verify code data
Pgm encryption table
Pgm security bit 1
Pgm security bit 2
Pgm security bit 3
Program to 6-clock mode
Verify 6-clock
4
Verify security bits
5
NOTES:
1. ‘0’ = Valid low for that pin, ‘1’ = valid high for that pin.
2. V
PP
= 12.75 V
±
0.25 V.
3. V
CC
= 5 V
±
10% during programming and verification.
4. Bit is output on P0.4 (1 = 12x, 0 = 6x).
5. Security bit one is output on P0.7.
Security bit two is output on P0.6.
Security bit three is output on P0.3.
*
ALE/PROG receives 5 programming pulses for code data (also for user array; 5 pulses for encryption or security bits) while V
PP
is held at
12.75 V. Each programming pulse is low for 100
μ
s (
±
10
μ
s) and high for a minimum of 10
μ
s.
RST
1
1
1
1
1
1
1
1
1
1
PSEN
0
0
0
0
0
0
0
0
0
0
ALE/PROG
1
0*
1
0*
0*
0*
0*
0*
1
1
EA/V
PP
1
V
PP
1
V
PP
V
PP
V
PP
V
PP
V
PP
1
1
P2.7
0
1
0
1
1
1
0
0
e
e
P2.6
0
0
0
0
1
1
1
0
0
0
P3.7
0
1
1
1
1
0
0
1
0
1
P3.6
0
1
1
0
1
0
1
0
1
0
P3.3
X
X
X
X
X
X
X
0
1
X
Table 10. Program Security Bits for EPROM Devices
PROGRAM LOCK BITS
1, 2
SB1
SB2
SB3
PROTECTION DESCRIPTION
1
U
U
U
No Program Security features enabled. (Code verify will still be encrypted by the Encryption Array if
programmed.)
2
P
U
U
MOVC instructions executed from external program memory are disabled from fetching code bytes
from internal memory, EA is sampled and latched on Reset, and further programming of the EPROM
is disabled.
3
P
P
U
Same as 2, also verify is disabled.
4
P
P
P
Same as 3, external execution is disabled. Internal data RAM is not accessible.
NOTES:
1. P – programmed. U – unprogrammed.
2. Any other combination of the security bits is not defined.
相關(guān)PDF資料
PDF描述
87C31X2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
87C52 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
87C52EBAA CMOS single-chip 8-bit microcontrollers
87C52EBLKA CMOS single-chip 8-bit microcontrollers
87C52EBPN CMOS single-chip 8-bit microcontrollers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
87C54 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
87C54 WAF 制造商:Intel 功能描述:
87C54-20 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER WITH 16 KBYTES USER PROGRAMMABLE EPROM
87C54X2 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP 128B/256B RAM low voltage 2.7 to 5.5 V, low power, high speed 30/33 MHz
87C550 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*