參數(shù)資料
型號: P89V664FBC,557
廠商: NXP Semiconductors
文件頁數(shù): 76/90頁
文件大?。?/td> 0K
描述: IC 80C51 MCU FLASH 64K 44-TQFP
產(chǎn)品培訓(xùn)模塊: Migrating from 8/16-Bit MCUs to 32-Bit ARMs
標(biāo)準(zhǔn)包裝: 800
系列: 89V
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: I²C,SPI,UART/USART
外圍設(shè)備: POR,PWM,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 64KB(64K x 8)
程序存儲器類型: 閃存
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 44-TQFP
包裝: 托盤
產(chǎn)品目錄頁面: 706 (CN2011-ZH PDF)
配用: 622-1001-ND - USB IN-CIRCUIT PROG 80C51ISP
其它名稱: 568-2437
935280835557
P89V664FBC
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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