Download GPL162002A/162003A Programming Guide

GPL162002A/162003A Programming Guide
6 Interrupt
6.1
Introduction
GPL162002A/162003A provides many interrupt sources, which can also be wake-up sources. In other
words, after system enters wait, halt, or sleep mode, an interrupt event will wake CPU up. For interrupt
and wake-up capability from different modes, please refer to following table:
Interrupt Wakeup Capability Table for each mode
l
a
i e
t
n s
e
U
d
i
f
n 司
o
C 公
s
限
u 有
l
p 份
l
a
r
e 股
n
e 技
G 科
格
普
Interrupt / Wakeup Source
Wait Mode
Halt Mode
y
l
n
O
Sleep Mode
PortB[2:0] key change wakeup
O
O
O
EXTA wakeup
O
O
O
EXTB wakeup
O
O
O
DMA Transfer Complete Interrupt
O
X
X
USB Interrupt
O
X
X
I2C Transmit/Receive Interrupt
O
X
X
NAND Flash FIFO over/under flow interrupt
O
X
X
SD Controller Interrupt
O
X
X
Touch panel stylus tapped wakeup
O
O
O
UART/ IrDA receive wakeup
O
X
X
Serial Peripheral Interface (SPI) receive wakeup
O
X
X
LCD frame pulse (rising edge) wakeup
O
X
X
ADC Auto Sampling FIFO Full wakeup
O
X
X
TimerA wakeup
O
X
X
TimerB wakeup
O
X
X
TimerC wakeup
O
X
X
TimerD wakeup
O
X
X
Key Scan wakeup
O
X
X
TimebaseA wakeup
O
O
X
TimebaseB wakeup
O
O
X
TimebaseC wakeup
O
O
X
HMS (Hour/Minute/Second) wakeup
O
O
X
r
o
F
Alarm wakeup
O
O
X
Scheduler wakeup
O
O
X
Low voltage detect wakeup
O
O
X
Audio Channel A FIFO Empty wakeup
O
X
X
Audio Channel B FIFO Empty wakeup
O
X
X
TFT Under Flow Error wakeup (note1)
O
X
X
TFT Frame End wakeup (note 1)
O
X
X
ADC Conversion Ready wakeup
O
X
X
O: Supported, X: Not Supported
Note1: GPL162003 without TFT control interrupt wake up source.
© Generalplus Technology Inc.
PAGE 55
V1.0 – Dec. 20, 2006