r8a66153fp Renesas Electronics Corporation., r8a66153fp Datasheet - Page 4

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

R8A66153FP
Port E and Port F
Port G
.
REJ03F0260-0100 Rev.1.00 Jan.10.2008
Page 4 of 9
Port E and Port F are 8-bit high voltage output ports with Vo=24V/IOL=24mA. Output transistor is N-ch
open drain transistor.
When this port is selected, data bus data is written into the port latch by the positive edge of WR.
And if is set to output enable, port latch
Port G is a input port with CMOS schmitt trigger. When this port is selected and RD="L", input data is
appears to the data bus.
Table 1. Function Table
note: "0" means "L" level and "1" means "H" level.
A2
0
0
0
0
1
1
0
0
0
1
1
1
×
A1
0
0
1
1
0
0
0
0
1
0
0
1
×
A0
0
1
0
1
0
1
0
1
0
0
1
1
×
CS
0
0
0
0
0
0
0
0
0
0
0
0
1
RD
0
0
0
0
0
0
1
1
1
1
1
1
×
WR
1
1
1
1
1
1
×
Data bus
Data bus
Data bus
Data bus
Data bus
Data bus
Port A
Port B
Port C
Port E
Port F
Control register
Data bus is in high impedance state
FUNCTION
Port A
Port B
Port C
Port G
Port E latch data
Port F latch data
Data bus
Data bus
Data bus
Data bus
Data bus
Data bus