HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 104

• Manufacturer Part Number: HD6473258P10
• Description: IC H8 MCU OTP 32K 64DIP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/325r

Specifications of HD6473258P10

• Core Processor: H8/300
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI, UART/USART
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-DIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Peripherals: -

See section 9, Serial Communication Interface for details of the serial control bits. Pins used by the
serial communication interface are switched between input and output without regard to the values
in the data direction register.
Pins of port 5 can drive a single TTL load and a 30-pF capacitive load when they are used as output
pins. They can also drive a Darlington pair.
Table 5-11 details the port 5 registers.
Table 5-11. Port 5 Registers
Name
Port 5 data direction register
Port 5 data register
Port 5 Data Direction Register (P5DDR)—H’FFB8
Bit
Initial value
Read/Write
P5DDR is an 8-bit register that selects the direction of each pin in port 5. A pin functions as an
output pin if the corresponding bit in P5DDR is set to 1, and as an input pin if the bit is cleared to 0.
Port 5 Data Register (P5DR)—H’FFBA
Bit
Initial value
Read/Write
P5DR is an 8-bit register containing output data for pins P5
ups. When the CPU reads P5DR, for output pins (P5DDR = 1) it reads the value in the P5DR latch,
but for input pins (P5DDR = 0), it obtains the logic level directly from the pin, bypassing the P5DR
latch. This also applies to pins used for serial communication.
MOS Pull-Ups: Are available for input pins, including serial communication input pins. Software
can turn the MOS pull-up on by writing a 1 in P5DR, and turn it off by writing a 0. The pull-ups are
automatically turned off for output pins.
—
—
—
—
7
1
7
1
—
—
—
—
6
1
6
1
Abbreviation
P5DDR
P5DR
P5
R/W
5
P5
W
DDR P5
5
0
5
0
5
R/W
95
Read/Write
W
R/W
4
P5
W
DDR P5
4
0
4
0
4
R/W
3
P5
5
W
DDR P5
3
0
3
0
to P5
3
Initial value
H’C0
H’C0
0
, and controlling their input pull-
R/W
2
P5
W
DDR P5
2
0
2
0
2
R/W
1
P5
W
DDR P5
1
0
1
0
1
R/W
0
P5
W
DDR
0
0
0
0
Address
H’FFB8
H’FFBA
0