參數(shù)資料
型號: SST89C58RC-40-C-QIF
廠商: Microchip Technology
文件頁數(shù): 42/88頁
文件大?。?/td> 0K
描述: IC MCU 8BIT FLASH 40WQFN
標(biāo)準(zhǔn)包裝: 81
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 40MHz
連通性: EBI/EMI,I²C,SMBus,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 32
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大小: 2K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 40-WFQFN 裸露焊盤
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
47
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
If the user added a third slave such as the example below:
The user could use the possible addresses above to select slave 3 only. Another combination could be
to select slave 2 and 3 only as shown below.
More than one slave may have the same SADDR address as well, and a given address could be used
to modify the address so that it is unique.
Using the Broadcast Address to Select Slaves
Using the broadcast address, the master can communicate with all the slaves at once. It is formed by
performing a logical OR of SADDR and SADEN with 0s in the result treated as “don’t cares”.
“Don’t cares” allow for a wider range in defining the broadcast address, but in most cases, the broad-
cast address will be FFH.
Select Slave 2 Only
Slave 2
Given Address
Possible Addresses
1111 0XX1
1111 0111
1111 0011
Select Slaves 1 and 2
Slaves 1 and 2
Possible Addresses
1111 0001
1111 0101
Slave 1
Slave 2
Slave 3
SADDR
=
1111 0001
SADDR
=
1111 0011
SADDR
=
1111
SADEN
=
1111 1010
SADEN
=
1111 1001
SADEN
=
1111
GIVEN
= 1111 0X0X
GIVEN
= 1111 0XX1
GIVEN
=
1111
Select Slave 3 Only
Slave 2
Given Address
Possible Addresses
1111 X0X1
1111 1011
1111 1001
Select Slaves 2 and 3 Only
Slaves 2 and 3
Possible Addresses
1111 0011
Slave 1
1111 0001 =
SADDR
+1111 1010 =
SADEN
1111 1X11 =
Broadcast
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SST89C58RC-40-I-QIF 功能描述:8位微控制器 -MCU 40K (32Kx8K) SM-Bus 40MHz 2.7-5.5V RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT
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