參數(shù)資料
型號: SST89V54RD2-33-I-TQJ
廠商: SILICON STORAGE TECHNOLOGY INC
元件分類: 微控制器/微處理器
英文描述: FlashFlex51 MCU
中文描述: 8-BIT, FLASH, 33 MHz, MICROCONTROLLER, PQFP44
封裝: MS-026ACB, TQFP-44
文件頁數(shù): 64/91頁
文件大小: 984K
代理商: SST89V54RD2-33-I-TQJ
64
Preliminary Specifications
FlashFlex51 MCU
SST89E52RD2 / SST89E54RD2 / SST89E58RD2 / SST89E516RD2
SST89V52RD2 / SST89V54RD2 / SST89V58RD2 / SST89V516RD2
2004 Silicon Storage Technology, Inc.
S71255-00-000
3/04
11.0 INTERRUPTS
11.1 Interrupt Priority and Polling Sequence
The device supports eight interrupt sources under a four level priority scheme. Table 11-1 summarizes the polling
sequence of the supported interrupts. Note that the SPI serial interface and the UART share the same interrupt
vector. (See Figure 11-1)
TABLE
11-1: I
NTERRUPT
P
OLLING
S
EQUENCE
Description
Ext. Int0
Brown-out
T0
Ext. Int1
T1
PCA
Ext. Int. 2
Ext. Int. 3
UART/SPI
T2
Interrupt Flag
IE0
-
TF0
IE1
TF1
CF/CCFn
IE2
IE3
TI/RI/SPIF
TF2, EXF2
Vector
Address
0003H
004BH
000BH
0013H
001BH
0033H
003BH
0043H
0023H
002BH
Interrupt
Enable
EX0
EBO
ET0
EX1
ET1
EC
EX2
EX3
ES
ET2
Interrupt
Priority
PX0/H
PBO/H
PT0/H
PX1/H
PT1/H
PPCH
PX2/H
PX3/H
PS/H
PT2/H
Service
Priority
1(highest)
2
3
4
5
6
7
8
9
10
Wake-Up
Power-down
yes
no
no
yes
no
no
no
no
no
no
T11-1.0 1255
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