sm59d03g2c25 SyncMOS Technologies,Inc, sm59d03g2c25 Datasheet - Page 57

• Manufacturer Part Number: sm59d03g2c25
• Description: 8-bits Micro-controller 8kb+ Isp Flash & 1kb Ram Embedded
• Manufacturer: SyncMOS Technologies,Inc

Mnemonic
IE
IE1
IP
IP1
13 Interrupts
SM59D03G2 has a total of 8 interrupt vectors, they include two external interrupts, three timer
interrupts, one serial port interrupts, EEI interrupts, and a PCA interrupt.
Each of the interrupt sources can be individually enabled or disabled by setting or clearing a bit in
the IE or IE1 register. This register also contains a global disable bit, which must be cleared to
disable all interrupt at once.
13.1 SFR description
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M030
Mnemonic: IE
Description
Interrupt Enable
register
Interrupt Enable
1 register
Interrupt Priority
register
Interrupt Priority
1 register
EX1: External interrupt 1 enable bit.
EX0: External interrupt 0 enable bit.
EA
ET2: Timer 2 interrupt enable bit.
ET1: Timer 1 interrupt enable bit.
ET0: Timer 0 interrupt enable bit.
7
EA: Disable all interrupt. If EA = 0, no interrupt will be acknowledged. If EA = 1, each
ES: Serial port 0 interrupt enable bit.
interrupt source is individually enabled or disabled by setting or clearing its enable bit.
External interrupt 0
External interrupt 1
6
-
Interrupt Source
PCA interrupt
Serial Port
Timer 0
Timer 1
Timer 2
Direct
A8h
A9h
B8h
B9h
EEI
ET2
5
Bit 7
EA
-
-
-
ES
4
Bit 6
-
-
-
-
EEI interface
Interrupt Vector
ET1
57
Bit 5
3
ET2
PT2
-
-
000Bh
001Bh
002Bh
003Bh
0003h
0013h
0023h
0033h
Bit 4
ES
PS
EX1
-
-
2
8KB+ ISP Flash & 1KB RAM embedded
Bit 3
ET1
PT1
-
-
ET0
1
sequence
Polling
Ver.C SM59D03G2 07/2009
Bit 2
EX1
PX1
-
-
8-Bits Micro-controller
EX0
Address: A8h
0
EPCA
PPCA
Bit 1
ET0
PT0
SM59D03G2
Reset
00h
PKBD
Bit 0
KBD
EX0
PX0
RESET
00h
00h
00h
00h