參數(shù)資料
型號: SST89V58RD2-33-C-NJE
廠商: Microchip Technology
文件頁數(shù): 68/92頁
文件大?。?/td> 0K
描述: IC MCU 8BIT 40KB FLASH 44PLCC
標(biāo)準(zhǔn)包裝: 26
系列: FlashFlex®
核心處理器: 8051
芯體尺寸: 8-位
速度: 33MHz
連通性: EBI/EMI,SPI,UART/USART
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,WDT
輸入/輸出數(shù): 36
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
EEPROM 大?。?/td> 8K x 8
RAM 容量: 1K x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 3.6 V
振蕩器型: 外部
工作溫度: 0°C ~ 70°C
封裝/外殼: 44-LCC(J 形引線)
包裝: 管件
2011 Silicon Storage Technology, Inc.
DS25087A
10/11
70
FlashFlex MCU
SST89V54RD2/RD / SST89V58RD2/RD
Not Recommended for New Designs
A Microchip Technology Company
Interrupts
Interrupt Priority and Polling Sequence
The device supports eight interrupt sources under a four level priority scheme. Table 26 summarizes
the polling sequence of the supported interrupts. Note that the SPI serial interface and the UART share
the same interrupt vector. (See Figure 32)
Table 26: Interrupt Polling Sequence
Description
Interrupt
Flag
Vector
Address
Interrupt
Enable
Interrupt
Priority
Service
Priority
Wake-Up
Power-down
Ext. Int0
IE0
0003H
EX0
PX0/H
1(highest)
yes
Brown-out
-
004BH
EBO
PBO/H
2
no
T0
TF0
000BH
ET0
PT0/H
3
no
Ext. Int1
IE1
0013H
EX1
PX1/H
4
yes
T1
TF1
001BH
ET1
PT1/H
5
no
PCA
CF/CCFn
0033H
EC
PPCH
6
no
Ext. Int. 2
IE2
003BH
EX2
PX2/H
7
no
Ext. Int. 3
IE3
0043H
EX3
PX3/H
8
no
UART/SPI
TI/RI/SPIF
0023H
ES
PS/H
9
no
T2
TF2, EXF2
002BH
ET2
PT2/H
10
no
T0-0.0 25087
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