参数资料
型号: P89LPC9221FDH,518
厂商: NXP Semiconductors
文件页数: 33/46页
文件大小: 0K
描述: IC 80C51 MCU 8KB FLASH 20TSSOP
标准包装: 2,500
系列: LPC900
核心处理器: 8051
芯体尺寸: 8-位
速度: 18MHz
连通性: I²C,UART/USART
外围设备: 欠压检测/复位,LED,POR,PWM,WDT
输入/输出数: 18
程序存储器容量: 8KB(8K x 8)
程序存储器类型: 闪存
RAM 容量: 256 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: 20-TSSOP(0.173",4.40mm 宽)
包装: 带卷 (TR)
Philips Semiconductors
P89LPC920/921/922/9221
8-bit microcontrollers with two-clock 80C51 core
Product data
Rev. 08 — 15 December 2004
39 of 46
9397 750 14469
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
[1]
Parameters are valid over operating temperature range unless otherwise specied. Parts are tested to 2 MHz, but are guaranteed to
operate down to 0 Hz.
[2]
When using an oscillator frequency above 12 MHz, the reset input function of P1.5 must be enabled. An external circuit is required to
hold the device in reset at power-up until VDD has reached its specied level. When system power is removed VDD will fall below the
minimum specied operating voltage. When using an oscillator frequency above 12 MHz, in some applications, an external brownout
detect circuit may be required to hold the device in reset when VDD falls below the minimum specied operating voltage.
Table 10:
AC characteristics
VDD = 3.0 V to 3.6 V unless otherwise specied.
Tamb = 40 °Cto+85 °C for industrial, unless otherwise specied.[1]
Symbol
Parameter
Conditions
Variable clock
fosc =18MHz
Unit
Min
Max
Min
Max
fRCOSC
internal RC oscillator frequency
(nominal f = 7.3728 MHz)
trimmed to
±1%
at Tamb =25 °C
7.189
7.557
7.189
7.557
MHz
fWDOSC
internal Watchdog oscillator
frequency (nominal f = 400 kHz)
320
520
320
520
kHz
fosc
oscillator frequency
18
-
MHz
tCLCL
clock cycle
55
-
ns
fCLKP
CLKLP active frequency
0
8
-
MHz
Glitch lter
glitch rejection, P1.5/RST pin
-
50
-
50
ns
signal acceptance, P1.5/RST pin
125
-
125
-
ns
glitch rejection, any pin except
P1.5/RST
-
15
-
15
ns
signal acceptance, any pin except
P1.5/RST
50
-
50
-
ns
External clock
tCHCX
HIGH time
22
tCLCL tCLCX
22
-
ns
tCLCX
LOW time
22
tCLCL tCHCX
22
-
ns
tCLCH
rise time
-5
-
5
ns
tCHCL
fall time
-5
-
5
ns
Shift register (UART mode 0)
tXLXL
serial port clock cycle time
16 tCLCL
-
888
-
ns
tQVXH
output data set-up to clock rising
edge
13 tCLCL
-
722
-
ns
tXHQX
output data hold after clock rising
edge
-tCLCL + 20
-
75
ns
tXHDX
input data hold after clock rising edge
-
0
-
0
ns
tDVXH
input data valid to clock rising edge
150
-
150
-
ns
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