參數資料
型號: P87C52X2FN,112
廠商: NXP Semiconductors
文件頁數: 46/62頁
文件大?。?/td> 0K
描述: IC 80C51 MCU 256 RAM 40DIP
產品培訓模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標準包裝: 9
系列: 87C
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,UART/USART
外圍設備: POR
輸入/輸出數: 32
程序存儲器容量: 8KB(8K x 8)
程序存儲器類型: OTP
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
其它名稱: 568-7912-5
568-7912-5-ND
568-8361-5
935269602112
P87C52X2FN
P87C52X2FN,112-ND
P87C52X2FN-ND
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
RST
PSEN
ALE/PROG
EA/VPP
P2.7
P2.6
P3.7
P3.6
P3.3
Read signature
1
0
1
0
X
Program code data
1
0
0*
VPP
1
0
1
X
Verify code data
1
0
1
0
1
X
Pgm encryption table
1
0
0*
VPP
1
0
1
0
X
Pgm security bit 1
1
0
0*
VPP
1
X
Pgm security bit 2
1
0
0*
VPP
1
0
X
Pgm security bit 3
1
0
0*
VPP
0
1
0
1
X
Program to 6-clock mode
1
0
0*
VPP
0
1
0
Verify 6-clock4
1
0
1
e
0
1
Verify security bits5
1
0
1
e
0
1
0
X
NOTES:
1. ‘0’ = Valid low for that pin, ‘1’ = valid high for that pin.
2. VPP = 12.75 V ±0.25 V.
3. VCC = 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 VPP is held at
12.75 V. Each programming pulse is low for 100
s (±10 s) and high for a minimum of 10 s.
Table 10. Program Security Bits for EPROM Devices
PROGRAM LOCK BITS1, 2
SB1
SB2
SB3
PROTECTION DESCRIPTION
1
U
No Program Security features enabled. (Code verify will still be encrypted by the Encryption Array if
programmed.)
2
P
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
U
Same as 2, also verify is disabled.
4
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PDF資料
PDF描述
LPC1224FBD64/121,1 MCU 32BIT 48K FLASH 4K 64-LQFP
C8051F930-GM IC 8051 MCU 64K FLASH 32-QFN
MMC2107CFCPV33 IC MCU 33MHZ 128K FLASH 144-LQFP
LPC11E14FHN33/401, IC MCU 32BIT 32K 32HVQFN
C8051F507-IQ IC 8051 MCU 32K FLASH 32-QFP
相關代理商/技術參數
參數描述
P87C54 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
P87C541 制造商:Rochester Electronics LLC 功能描述:- Bulk
P87C54-1 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
P87C541 S F76 制造商:Intel 功能描述:MCU 8-bit MCS51 8051 CISC 16KB EPROM 5V 40-Pin PDIP
P87C54-2 制造商:INTEL 制造商全稱:Intel Corporation 功能描述:CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER