YLCDRSK2378 Renesas Electronics America, YLCDRSK2378 Datasheet - Page 593
YLCDRSK2378
Manufacturer Part Number
YLCDRSK2378
Description
KIT DEV EVAL H8S/2378 LCD
Manufacturer
Renesas Electronics America
Series
H8®r
Datasheet
1.YR0K42378FC000BA.pdf
(1208 pages)
Specifications of YLCDRSK2378
Main Purpose
Displays, LCD Controller
Embedded
Yes, MCU, 16-Bit
Utilized Ic / Part
YLCDRSK2378
Primary Attributes
5.7" QVGA, Touch Screen
Secondary Attributes
Source Code on CD, Debugging Requires Emulator Cable E10A USB/JTAG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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10.13
Port E is an 8-bit I/O port that also has other functions. The port E has the following registers.
• Port E data direction register (PEDDR)
• Port E data register (PEDR)
• Port E register (PORTE)
• Port E pull-up MOS control register (PEPCR)
10.13.1 Port E Data Direction Register (PEDDR)
The individual bits of PEDDR specify input or output for the pins of port E.
PEDDR cannot be read; if it is, an undefined value will be read.
Bit
7
6
5
4
3
2
1
0
Bit Name
PE7DDR
PE6DDR
PE5DDR
PE4DDR
PE3DDR
PE2DDR
PE1DDR
PE0DDR
Port E
Initial Value
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
Description
•
•
•
Modes 1, 2, and 4
When 8-bit bus mode is selected, port E
functions as an I/O port. The pin states can be
changed with PEDDR.
When 16-bit bus mode is selected, port E is
designated for data input/output.
For details on 8-bit and 16-bit bus modes, see
section 6, Bus Controller (BSC).
Mode 7 (when EXPE = 1)
When 8-bit bus mode is selected, port E
functions as an I/O port. Setting a PEDDR bit to 1
makes the corresponding port E pin an output
port, while clearing the bit to 0 makes the pin an
input port.
When 16-bit bus mode is selected, port E is
designated for data input/output.
Mode 7 (when EXPE = 0)
Port E is an I/O port, and its pin functions can be
switched with PEDDR.
Rev.7.00 Mar. 18, 2009 page 525 of 1136
Section 10 I/O Ports
REJ09B0109-0700
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