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| 型号： | SST89V516RD-33-C-PI |
| 厂商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40 |
| 封装： | PLASTIC, MS-011AC, DIP-40 |
| 文件页数： | 38/80页 |
| 文件大小： | 934K |
| 代理商： | SST89V516RD-33-C-PI |
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Data Sheet
FlashFlex51 MCU
SST89E516RD2 / SST89E516RD
SST89V516RD2 / SST89V516RD
43
2005 Silicon Storage Technology, Inc.
S71273-01-000
3/05
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.
6.1.2.2 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 logi-
cal OR of SADDR and SADEN with ‘0’s in the result treated
as “don’t cares”.
“Don’t cares” allow for a wider range in defining the broad-
cast address, but in most cases, the broadcast address will
be FFH.
On reset, SADDR and SADEN are “0”. This produces an
given address of all “don’t cares” as well as a broadcast
address of all “don’t cares.” This effectively disables Auto-
matic Addressing mode and allows the microcontroller to
function as a standard 8051, which does not make use of
this feature.
6.2 Serial Peripheral Interface
6.2.1 SPI Features
Master or slave operation
10 MHz bit frequency (max)
LSB first or MSB first data transfer
Four programmable bit rates
End of transmission (SPIF)
Write collision flag protection (WCOL)
Wake up from idle mode (slave mode only)
6.2.2 SPI Description
The serial peripheral interface (SPI) allows high-speed syn-
chronous data transfer between the SST89E/V516RDx
and peripheral devices or between several SST89E/
V516RDx devices.
Figure 6-4 shows the correspondence between master
and slave SPI devices. The SCK pin is the clock output and
input for the master and slave modes, respectively. The SPI
clock generator will start following a write to the master
devices SPI data register. The written data is then shifted
out of the MOSI pin on the master device into the MOSI pin
of the slave device. Following a complete transmission of
one byte of data, the SPI clock generator is stopped and
the SPIF flag is set. An SPI interrupt request will be gener-
ated if the SPI Interrupt Enable bit (SPIE) and the Serial
Port Interrupt Enable bit (ES) are both set.
An external master drives the Slave Select input pin, SS#/
P1[4], low to select the SPI module as a slave. If SS#/P1[4]
has not been driven low, then the slave SPI unit is not
active and the MOSI/P1[5] port can also be used as an
input port pin.
CPHA and CPOL control the phase and polarity of the SPI
tions of these two bits.
FIGURE
6-4: SPI MASTER-SLAVE INTERCONNECTION
Select Slave 3 Only
Slave 2
Given Address
Possible Addresses
1111 X0X1
1111 1011
1111 1001
Select Slaves 2 & 3 Only
Slaves 2 & 3
Possible Addresses
1111 0011
Slave 1
1111 0001 =
SADDR
+1111 1010 =
SADEN
1111 1X11 =
Broadcast
1273 F16.0
8-bit Shift Register
MSB Master LSB
SPI
Clock Generator
MISO MISO
MOSI MOSI
SCK
SS#
8-bit Shift Register
MSB Slave LSB
VSS
VDD
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| SST89V516RD-33-I-PIE | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PDIP40 |
| SST89E516RD-40-I-PIE | 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40 |
| SST89V554A-33-C-TQJ | 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST89V516RD-33-C-PIE | 功能描述:8位微控制器 -MCU 8-Bit 64K+8K Flash 33MHz 3/16-Bit Timer RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT |
| SST89V516RD-33-C-QIF | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex MCU |
| SST89V516RD-33-I-QIF | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex MCU |
| SST89V52RD2 | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
| SST89V52RD2/RD | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:FlashFlex51 MCU |
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