参数资料
型号: P89LPC9321FDH,512
厂商: NXP Semiconductors
文件页数: 52/71页
文件大小: 0K
描述: IC 80C51 MCU 8KB FLASH 28TSSOP
标准包装: 51
系列: LPC900
核心处理器: 8051
芯体尺寸: 8-位
速度: 18MHz
连通性: I²C,SPI,UART/USART
外围设备: 欠压检测/复位,POR,PWM,WDT
输入/输出数: 26
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
EEPROM 大小: 512 x 8
RAM 容量: 768 x 8
电压 - 电源 (Vcc/Vdd): 2.4 V ~ 3.6 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 28-TSSOP(0.173",4.40mm 宽)
包装: 管件
P89LPC9321
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 2 — 16 November 2010
56 of 71
NXP Semiconductors
P89LPC9321
8-bit microcontroller with accelerated two-clock 80C51 core
Table 12.
Dynamic characteristics (18 MHz)
VDD = 3.0 V to 3.6 V unless otherwise specified.
Tamb = 40 °Cto+85 °C for industrial applications, unless otherwise specified.[1][2]
Symbol
Parameter
Conditions
Variable clock
fosc =18MHz
Unit
Min
Max
Min
Max
fosc(RC)
internal RC oscillator
frequency
nominal f = 7.3728 MHz
trimmed to
±1% at
Tamb =25 °C; clock
doubler option = OFF
(default)
7.189
7.557
7.189
7.557
MHz
nominal f = 14.7456 MHz;
clock doubler option = ON
14.378
15.114
14.378 15.114 MHz
fosc(WD)
internal watchdog
oscillator frequency
Tamb =25 °C
380
420
380
420
kHz
fosc
oscillator frequency
0
18
-
MHz
Tcy(clk)
clock cycle time
55
-
ns
fCLKLP
low-power select clock
frequency
08
-
MHz
Glitch filter
tgr
glitch rejection time
P1.5/RST pin
-
50
-
50
ns
any pin except P1.5/RST
-
15
-
15
ns
tsa
signal acceptance time
P1.5/RST pin
125
-
125
-
ns
any pin except P1.5/RST
50
-
50
-
ns
External clock
tCHCX
clock HIGH time
22
Tcy(clk) tCLCX
22
-
ns
tCLCX
clock LOW time
22
Tcy(clk) tCHCX
22
-
ns
tCLCH
clock rise time
-5
-
5
ns
tCHCL
clock fall time
-5
-
5
ns
Shift register (UART mode 0)
TXLXL
serial port clock cycle
time
16Tcy(clk)
-
888
-
ns
tQVXH
output data set-up to
clock rising edge time
13Tcy(clk)
-
722
-
ns
tXHQX
output data hold after
clock rising edge time
-Tcy(clk) + 20
-
75
ns
tXHDX
input data hold after
clock rising edge time
-0
-
0
ns
tXHDV
input data valid to clock
rising edge time
150
-
150
-
ns
SPI interface
fSPI
SPI operating frequency
slave
0
CCLK
6
03.0
MHz
master
-
CCLK
4
-4.5
MHz
TSPICYC
SPI cycle time
slave
6
CCLK
-
333
-
ns
master
4
CCLK
-
222
-
ns
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