參數(shù)資料
型號： SST89C58RC-40-C-QIF-T
廠商： Microchip Technology
文件頁數(shù)： 24/88頁
文件大小： 0K
描述： IC MCU 8BIT FLASH 40WQFN
標(biāo)準(zhǔn)包裝： 3,000
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?。?/td> 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： 帶卷 (TR)
2011 Silicon Storage Technology, Inc.
DS25100A
12/11
30
FlashFlex MCU
SST89C58RC
Data Sheet
A Microchip Technology Company
Symbol
Function
FE
Set SMOD0 = 1 to access FE bit.
0: No framing error
1: Framing Error. Set by receiver when an invalid stop bit is detected. This bit needs to
be cleared by software.
SM0
SMOD0 = 0 to access SM0 bit.
Serial Port Mode Bit 0
SM1
Serial Port Mode Bit 1
SM2
Enables the Automatic Address Recognition feature in Modes 2 or 3. If SM2 = 1 then
RI will not be set unless the received 9th data bit (RB8) is 1, indicating an address,
and the received byte is a given or broadcast address. In Mode 1, if SM2 = 1 then RI
will not be activated unless a valid stop bit was received. In Mode 0, SM2 should be 0.
REN
Enables serial reception.
0: to disable reception.
1: to enable reception.
TB8
The 9th data bit that will be transmitted in Modes 2 and 3. Set or clear by software as
desired.
RB8
In Modes 2 and 3, the 9th data bit that was received. In Mode 1, if SM2 = 0, RB8 is the
stop bit that was received. In Mode 0, RB8 is not used.
TI
Transmit interrupt flag. Set by hardware at the end of the 8th bit time in Mode 0, or at
the beginning of the stop bit in the other modes, in any serial transmission, Must be
cleared by software.
RI
Receive interrupt flag. Set by hardware at the end of the8th bit time in Mode 0, or
halfway through the stop bit time in the other modes, in any serial reception (except
see SM2). Must be cleared by software.
Serial Port Control Register (S0CON)
Location
7
6
543210
Reset Value
98H
SM0/FE
SM1
SM2
REN
TB8
RB8
TI
RI
00000000b
SM0
SM1
Mode
Description
Baud Rate1
1. fOSC = oscillator frequency
0
Shift Register
fOSC/6 (6 clock mode) or
fOSC/12 (12 clock mode)
0
1
8-bit UART
Variable
1
0
2
9-bit UART
fOSC/32 or fOSC/16 (6 clock mode)
or fOSC/64 or fOSC/32 (12 clock
mode)
1
3
9-bit UART
Variable
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