r8a66153fp Renesas Electronics Corporation., r8a66153fp Datasheet - Page 5

• Manufacturer Part Number: r8a66153fp
• Description: Programmable Buffered I/o Expander
• Manufacturer: Renesas Electronics Corporation.

R8A66153FP
CONTROL WORD
.
REJ03F0260-0100 Rev.1.00 Jan.10.2008
Page 5 of 9
When (A0, A1, A2)=(1,1,1), data bus data is recognized as the control word.
This control word is to set the port condition and the bit set/reset function of port C. (see Fig.1 and Fig.2)
Fig.1 Control word to set port conditions
Fig.2 Control word for bit set/reset function of port C
D7
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
D0
D0
"1" when mode set control word
don't care
Port E enable/disable set
Port F enable/disable set
Port A input/output set
Port B input/output set
Port C input/output set (Upper 4-bit)
Port C input/output set (Lower 4-bit)
"0" when port C bit set/reset function
don't care
Bit select (see below)
Set/reset
Bit select
"0" : Reset ("L")
"1" : Set ("H")
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
"0" : Enable
"1" : Disable
"0" : Output
"1" : Input
D3
1
1
1
1
0
0
0
0
D2
1
1
0
0
1
1
0
0
D1
1
0
1
0
1
0
1
0