HD64F3026X25 Renesas Electronics America, HD64F3026X25 Datasheet - Page 196

• Manufacturer Part Number: HD64F3026X25
• Description: MCU 3V 256K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Hr

Specifications of HD64F3026X25

• Core Processor: H8/300H
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: PWM, WDT
• Number Of I /o: 70
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 7 I/O Ports
7.2.2
Table 7.2 summarizes the registers of port 1.
Table 7.2
Address *
H'EE000
H'FFFD0
Note: * Lower 20 bits of the address in advanced mode.
Port 1 Data Direction Register (P1DDR): P1DDR is an 8-bit write-only register that can select
input or output for each pin in port 1.
In modes 1 to 4, P1DDR bits are always read as 1, and cannot be modified.
In modes 5 to 7, P1DDR is a write-only register. Its value cannot be read. All bits return 1 when
read.
Rev. 2.00 Sep 20, 2005 page 156 of 800
REJ09B0260-0200
Bit
Modes
1 to 4
Modes
5 to 7
Modes 1 to 4 (Expanded Modes with On-Chip ROM Disabled)
P1DDR values are fixed at 1. Port 1 functions as an address bus.
Mode 5 (Expanded Modes with On-Chip ROM Enabled)
After a reset, port 1 functions as an input port. A pin in port 1 becomes an address output pin if
the corresponding P1DDR bit is set to 1, and a generic input pin if this bit is cleared to 0.
Modes 6 and 7 (Single-Chip Mode)
Port 1 functions as an input/output port. A pin in port 1 becomes an output port if the
corresponding P1DDR bit is set to 1, and an input port if this bit is cleared to 0.
Initial value
Read/Write
Initial value
Read/Write
Register Descriptions
Name
Port 1 data direction register P1DDR
Port 1 data register
Port 1 Registers
P1 DDR
7
—
W
7
1
0
P1 DDR
6
—
W
6
1
0
P1 DDR
5
—
W
5
1
0
Abbreviation R/W
P1DR
Port 1 data direction 7 to 0
These bits select input or
output for port 1 pins
P1 DDR
4
—
W
4
1
0
W
R/W
P1 DDR
3
—
W
3
1
0
Modes 1 to 4
H'00
H'FF
P1 DDR
2
—
W
2
1
0
Initial Value
P1 DDR
1
—
W
1
1
0
Modes 5 to 7
H'00
H'00
P1 DDR
0
—
W
0
1
0