参数资料
型号: P89V660FA,512
厂商: NXP Semiconductors
文件页数: 76/90页
文件大小: 0K
描述: IC 80C51 MCU FLASH 16K 44-PLCC
产品培训模块: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
标准包装: 1,300
系列: 89V
核心处理器: 8051
芯体尺寸: 8-位
速度: 40MHz
连通性: I²C,SPI,UART/USART
外围设备: POR,PWM,WDT
输入/输出数: 36
程序存储器容量: 16KB(16K x 8)
程序存储器类型: 闪存
RAM 容量: 512 x 8
电压 - 电源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振荡器型: 内部
工作温度: -40°C ~ 85°C
封装/外壳: 44-LCC(J 形引线)
包装: 管件
产品目录页面: 706 (CN2011-ZH PDF)
配用: 622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名称: 568-2432-5
935280828512
P89V660FA
P89V660_662_664
All information provided in this document is subject to legal disclaimers.
NXP B.V. 2011. All rights reserved.
Product data sheet
Rev. 3.1 — 17 October 2011
78 of 90
NXP Semiconductors
P89V660/662/664
80C51 with 512 B/1 kB/2 kB RAM, dual I2C-bus, SPI
[1]
At 100 kb/s. All other bit rates, this value is inversely proportional to the bit rate of 100 kb/s.
[2]
Determined by the external bus capacitance and pull-up resistor. This must be < 1
s.
[3]
Spikes on SDA and SCL with a duration less than 3Tcy(clk) will be filtered out. Max capacitance on SDA and SCL = 400 pF.
Fig 40. Shift register mode timing waveforms
002aaa552
ALE
0
instruction
1
2
3
4
5
6
7
8
0
1
23
45
6
7
valid
TXLXL
set TI
set RI
tXHQX
tQVXH
tXHDV
tXHDX
clock
output data
write to SBUF
input data
clear RI
Table 74.
I2C-bus interface timing (12-clock mode)
Symbol
Parameter
Conditions
Input
Output
Unit
tHD;STA
hold time (repeated) START condition
14T
cy(clk)
> 4.0[1]
s
tLOW
LOW period of the SCL clock
16T
cy(clk)
> 4.7[1]
s
tHIGH
HIGH period of the USCL clock
14T
cy(clk)
> 4.0[1]
s
tr(SCL)
SCL rise time
s
tf(SCL)
SCL fall time
0.3
0.3[3]
s
tSU;DAT
data set-up time
250
20Tcy(clk) tr(SDA)
ns
tsuDAT1
data set-up time 1
before repeated
START
250
ns
tsuDAT2
data set-up time 2
before STOP
condition
250
> 8Tcy(clk)
ns
tHD;DAT
data hold time
0> 8T
cy(clk) tf(SCL)
ns
tSU;STA
set-up time for a repeated START
condition
14T
cy(clk)
> 4.7[1]
s
tSU;STO
set-up time for STOP condition
14T
cy(clk)
> 4.0[1]
s
tBUF
bus free time between a STOP and
START condition
14T
cy(clk)
> 4.7[1]
s
tr(SDA)
SDA rise time
0.3
s
tf(SDA)
SDA fall time
0.3
0.3[3]
s
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