
www.ite.com.tw
IT8228E V0.2
15
IT8228E Pin Descriptions
Table 5-5. Pin Description of Memory Stick Interface A Signals
Symbol
Attribute
Power
MSAIO/
GP50
DIOD08
The first function of this pin is MS I/F A Data I/O.
The second function of this pin is the General Purpose
I/O Port 5 Bit 0.
The function configuration of this pin is determined by
programming the software configuration registers.
MSADET/
GP51
DIOD08
The first function of this pin is MS I/F A Insertion Detect.
The second function of this pin is the General Purpose
I/O Port 5 Bit 1.
The function configuration of this pin is determined by
programming the software configuration registers.
MSACLK/
GP52
DIOD08
The first function of this pin is MS I/F A Clock.
The second function of this pin is the General Purpose
I/O Port 5 Bit 2.
The function configuration of this pin is determined by
programming the software configuration registers.
MSABS/
GP53
DIOD08
The first function of this pin is MS I/F A Bus State.
The second function of this pin is the General Purpose
I/O Port 5 Bit 3.
The function configuration of this pin is determined by
programming the software configuration registers.
MSALED/
GP54
DIOD08
The first function of this pin is MS I/F A LED.
The second function of this pin is the General Purpose
I/O Port 5 Bit 4.
The function configuration of this pin is determined by
programming the software configuration registers.
Pin(s) No.
46
Description
DO08/
VCC
MS I/F A Data I/O / General Purpose I/O 50.
47
DI/
VCC
MS I/F A Insertion Detect / General Purpose I/O 51.
48
DO08/
VCC
MS I/F A Clock / General Purpose I/O 52.
2
DO08/
VCC
MS I/F A Bus State / General Purpose I/O 53.
3
DOD08/
VCC
MS I/F A LED / General Purpose I/O 54.
Table 5-6. Pin Description of Miscellaneous Signals
Attribute
Power
DI
VCC
24 or 48 MHz Clock Input.
Pin(s) No.
14
IO Cell:
DO8: 8mA Digital Output buffer
DOD8: 8mA Digital Open-Drain Output buffer
DO16: 16mA Digital Output buffer
DOD16: 16mA Digital Open-Drain Output buffer
DO24: 24mA shink/12mA Drive Digital Output buffer
DOD24: 24mA Digital Open-Drain Output buffer
DIO8: 8mA Digital Input/Output buffer
DIOD8: 8mA Digital Open-Drain Input/Output buffer
DIO16: 16mA Digital Input/Output buffer
DIOD16: 16mA Digital Open-Drain Input/Output buffer
DIOD24: 24mA Digital Open-Drain Input/Output buffer
DI: Digital Input
Symbol
CLKIN
Description