Functions Of Sa1110 Gpios - Applied Data Systems Bitsy User Manual

Bitsy User's Manual
Pin Number
40
41
42
43
44
45
46
47
48
49
50

3.6.10 Functions of SA1110 GPIOs:

Pin Name
GPIO0
GPIO1
GPIO2
GPIO3
GPIO4
GPIO5
GPIO6
GPIO7
GPIO8
GPIO9
GPIO10
GPIO11
GPIO12
GPIO13
GPIO14
GPIO15
GPIO16
GPIO17
GPIO18
GPIO19
GPIO20
GPIO21
GPIO22
GPIO23
GPIO24
GPIO25
GPIO26
GPIO27
Page 14
Name
RTS1
ANIN3
MIC1_IN
VREF
MIC2_IN
/RESET_IN
/SHDN_RS232
+3.3V
VCC
Ground
Signal Name Direction
SA1111_IRQ Input
WAKE_UP Input
GREEN3 Output
GREEN4 Output
GREEN5 Output
RED0 Output
RED1 Output
RED2 Output
RED3 Output
RED4 Output
SSP_TXD Output
SSP_RXD Input
SSP_SCLK Output
SSP_SFRM Output
CTS1 Input
RTS1 Output
RIB1 Input
DCD1 Input
CTS3 Input
RTS3 Output
LED0/DTR1 Output
GPIO21_MBGN Output
T
GPIO22_MBRE Input
Q
IRDA ON Output
DSR1 Input
/RESET_AVR Output
/SA1111_RESET Output
GPIO27_CLK Output
Description
COM1 RTS Control Output (RS232)
Analog Input to UCB1200
Stereo Microphone Input
Analog Input to UCB1200Reference Voltage
Stereo Microphone Input
External Reset Input
External RS232 Buffer Disable Input
Connection to 3.3V Plane
Connection to 5v Plane
Not Connected
Ground Connection
Description
SA-1111 Interrupt input
SMART IO signal to wake processor up
during sleep mode
LCD Green bit 3 in 16 bit color mode
LCD Green bit 4 in 16 bit color mode
LCD Green bit 5 in 16 bit color mode
LCD Red bit 0 in 16 bit color mode
LCD Red bit 1 in 16 bit color mode
LCD Red bit 2 in 16 bit color mode
LCD Red bit 3 in 16 bit color mode
LCD Red bit 4 in 16 bit color mode
SSP Port transmit for Smart IO
microcontroller
SSP Port Receive for Smart IO
microcontroller
SSP Port Clock for Smart IO
microcontroller
SSP Port Frame for Smart IO
microcontroller
CTS signal for Serial port 1
RTS signal for Serial port 1
RIB signal for Serial port 1
DCD signal for Serial port 1
CTS signal for Serial port 3
RTS signal for Serial port 3
SMD LED Green on board (D3)/DTR
Signal for Serial Port 1
SA-1111 Memory Request Bus Grant
SA-1111 Memory Bus Request
0-> IRDA On 1 -> IRDA Off
DSR signal for Serial Port 1
Reset control to SMART IO Device
Reset control to SA-1111 Device
External GPIO on J7 pin 32/Clock Source
for SA-1111
ADS document # 110111-1003A