参数资料
型号: P89V52X2FBD,157
厂商: NXP Semiconductors
文件页数: 40/57页
文件大小: 0K
描述: IC 80C51 MCU FLASH 8K 44-LQFP
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
标准包装: 800
系列: 89V
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: UART/USART
外围设备: POR
输入/输出数: 32
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 192 x 8
RAM 容量: 256 x 8
电压 - 电源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LQFP
包装: 托盘
配用: 622-1017-ND - BOARD 44-ZIF PLCC SOCKET
622-1012-ND - BOARD FOR P89V52X2 44-TQFP
622-1008-ND - BOARD FOR LPC9103 10-HVSON
其它名称: 568-4250
935282529157
P89V52X2FBD
P89V52X2_3
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 03 — 4 May 2009
45 of 57
NXP Semiconductors
P89V52X2
80C51 with 256 B RAM, 192 B data EEPROM
9.
Dynamic characteristics
[1]
Tcy(clk) = 1/fosc.
Table 45.
Dynamic characteristics
Over operating conditions: load capacitance for Port 0, ALE, and PSEN = 100 pF; load capacitance for all other
outputs = 80 pF
Tamb = 40 °C to +85 °C; VDD = 2.7 V to 5.5 V; VSS =0V[1]
Symbol
Parameter
Conditions
Min
Max
Unit
fosc
oscillator frequency
12-clock mode
0
40
MHz
6-clock mode
0
20
MHz
tLHLL
ALE pulse width
2Tcy(clk) 15
-
ns
tAVLL
address valid to ALE LOW time
Tcy(clk) 15
-
ns
tLLAX
address hold after ALE LOW time
Tcy(clk) 15
-
ns
tLLIV
ALE LOW to valid instruction in time
-
4Tcy(clk) 45
ns
tLLPL
ALE LOW to PSEN LOW time
Tcy(clk) 15
-
ns
tPLPH
PSEN pulse width
3Tcy(clk) 15
-
ns
tPLIV
PSEN LOW to valid instruction in time
-
3Tcy(clk) 55
ns
tPXIX
input instruction hold after PSEN time
0
-
ns
tPXIZ
input instruction oat after PSEN time
-
Tcy(clk) 20
ns
tPXAV
PSEN to address valid time
Tcy(clk) 8-
ns
tAVIV
address to valid instruction in time
-
5Tcy(clk) 60
ns
tPLAZ
PSEN LOW to address oat time
-
10
ns
tRLRH
RD LOW pulse width
6Tcy(clk) 30
-
ns
tWLWH
WR LOW pulse width
6Tcy(clk) 30
-
ns
tRLDV
RD LOW to valid data in time
-
5Tcy(clk) 50
ns
tRHDX
data hold after RD time
0
-
ns
tRHDZ
data oat after RD time
-
2Tcy(clk) 12
ns
tLLDV
ALE LOW to valid data in time
-
8Tcy(clk) 50
ns
tAVDV
address to valid data in time
-
9Tcy(clk) 75
ns
tLLWL
ALE LOW to RD or WR LOW time
3Tcy(clk) 15
3Tcy(clk) + 15
ns
tAVWL
address to RD or WR LOW time
4Tcy(clk) 30
-
ns
tWHQX
data hold after WR time
Tcy(clk) 20
-
ns
tQVWH
data output valid to WR HIGH time
7Tcy(clk) 50
-
ns
tRLAZ
RD LOW to address oat time
-
0
ns
tWHLH
RD or WR HIGH to ALE HIGH time
Tcy(clk) 15
Tcy(clk) + 15
ns
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