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IT8228E V0.2
13
IT8228E Pin Descriptions
Table 5-3. Pin Description of Smart Media Interface Signals [cont’d]
Symbol
Attribute
Power
SMD2/
SDBD2/
GP15
DIOD16
The first function of this pin is Smart Media Data 2.
The second function of this pin is SD I/F B Data 2.
The third function of this pin is the General Purpose I/O
Port 1 Bit 5.
The function configuration of this pin is determined by
programming the software configuration registers.
SMD1/
SDBD1/
GP16
DIOD16
The first function of this pin is Smart Media Data 1.
The second function of this pin is SD I/F B Data 1.
The third function of this pin is the General Purpose I/O
Port 1 Bit 6.
The function configuration of this pin is determined by
programming the software configuration registers.
SMD0/
SDBD0/
GP17
DIOD16
The first function of this pin is Smart Media Data 0.
The second function of this pin is SD I/F B Data 0.
The third function of this pin is the General Purpose I/O
Port 1 Bit 7.
The function configuration of this pin is determined by
programming the software configuration registers.
Pin(s) No.
34
Description
DIO16/
DIO16/
VCC
Smart Media Data 2 / SD I/F B Data 2 / General Purpose I/O
15.
35
DIO16/
DIO16/
VCC
Smart Media Data 1 / SD I/F B Data 1 / General Purpose I/O
16.
36
DIO16/
DIO16/
VCC
Smart Media Data 0 / SD I/F B Data 0 / General Purpose I/O
17.
Table 5-4. Pin Description of Secure Digital Interface A Signals
Symbol
Attribute
Power
SDAD0/
GP20
DIOD08
The first function of this pin is SD I/F A Data 0.
The second function of this pin is the General Purpose
I/O Port 2 Bit 0.
The function configuration of this pin is determined by
programming the software configuration registers.
SDAD1/
GP21
DIOD08
The first function of this pin is SD I/F A Data 1.
The second function of this pin is the General Purpose
I/O Port 2 Bit 1.
The function configuration of this pin is determined by
programming the software configuration registers.
SDAD2/
GP22
DIOD08
The first function of this pin is SD I/F A Data 2.
The second function of this pin is the General Purpose
I/O Port 2 Bit 2.
The function configuration of this pin is determined by
programming the software configuration registers.
Pin(s) No.
38
Description
DIO08/
VCC
SD I/F A Data 0 / General Purpose I/O 20.
39
DIO08/
VCC
SD I/F A Data 1 / General Purpose I/O 21.
40
DIO08/
VCC
SD I/F A Data 2 / General Purpose I/O 22.