SST89E554RC-40-C-NJE Silicon Storage Tech, SST89E554RC-40-C-NJE Datasheet - Page 63

• Manufacturer Part Number: SST89E554RC-40-C-NJE
• Description: Semiconductors and Actives, Microprocessors, Microcontrollers
• Manufacturer: Silicon Storage Tech

FlashFlex MCU
SST89E564RD / SST89V564RD
SST89E554RC / SST89V554RC
10.4 Interrupt Priority and Polling Sequence
The device supports eight interrupt sources under a four level priority scheme. Table 10-1 summarizes the polling
sequence of the supported interrupts. Note that the SPI serial interface and the UART share the same interrupt
vector. (See Figure 10-2)
TABLE 10-1: I
©2007 Silicon Storage Technology, Inc.
Description
Ext. Int0
Brown-out
T0
Ext. Int1
T1
PCA
UART/SPI
T2
NTERRUPT
Interrupt Flag
TF2, EXF2
TI/RI/SPIF
CF/CCFn
TF0
TF1
IE0
IE1
-
P
OLLING
S
Address
Vector
004BH
000BH
001BH
002BH
EQUENCE
0003H
0013H
0033H
0023H
Interrupt
Enable
EBO
EX0
ET0
EX1
ET1
ET2
EC
ES
63
Interrupt
Priority
PBO/H
PX0/H
PX1/H
PT0/H
PT1/H
PPCH
PT2/H
PS/H
1(highest)
Service
Priority
2
6
7
8
3
4
5
S71207-08-EOL
EOL Data Sheet
Power-down
Wake-Up
yes
yes
no
no
no
no
no
no
T10-1.2 1207
1/07