DF2556FC20DV Renesas Electronics America, DF2556FC20DV Datasheet - Page 265
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DF2556FC20DV
Manufacturer Part Number
DF2556FC20DV
Description
IC H8S/2556 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2556FC20DV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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DF2556FC20DV
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9.5
Port 5 is a 3-bit I/O port and has the following registers.
• Port 5 data direction register (P5DDR)
• Port 5 data register (P5DR)
• Port 5 register (PORT5)
9.5.1
P5DDR specifies input or output of the port 5 pins using the individual bits. P5DDR cannot be
read; if it is, the read value is undefined. Since this register is a write-only register, bit-
manipulation instructions should not be used when writing. See section 2.9.4, Access Method for
Registers with Write-only Bits.
9.5.2
P5DR stores output data for port 5 pins.
Bit
7 to 3
2
1
0
Bit
7 to 3
2
1
0
Bit Name
⎯
P52DDR
P51DDR
P50DDR
Bit Name
⎯
P52DR
P51DR
P50DR
Port 5
Port 5 Data Direction Register (P5DDR)
Port 5 Data Register (P5DR)
Initial Value
Undefined
0
0
0
Initial Value
Undefined
0
0
0
R/W
⎯
W
W
W
R/W
⎯
R/W
R/W
R/W
Description
Reserved
These bits are always read as undefined value and
cannot be modified.
When a pin is specified as a general purpose I/O
port, setting this bit to 1 makes the corresponding
port 5 pin an output pin. Clearing this bit to 0 makes
the pin an input pin.
Description
Reserved
These bits are always read as undefined value and
cannot be modified.
Output data for a pin is stored when the pin is
specified as a general purpose output port.
Rev. 6.00 Sep. 24, 2009 Page 217 of 928
Section 9 I/O Ports
REJ09B0099-0600
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