HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 90

• 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: -

Mode 1
Address bus (high)
(A
5.3 Port 2
Port 2 is an 8-bit input/output port that also provides the high bits of the address bus. The function
of port 2 depends on the MCU mode as indicated in table 5-4.
Table 5-4. Functions of Port 2
* Depending on the bit settings in the data direction register: 0—input pin; 1—address pin
15
to A
P1
n
8
)
Hardware standby
Mode 2
Input port or
Address bus (high)
(A
15
Figure 5-1. Port 1 Schematic Diagram
Mode 1 or 2
to A
Mode 3
8
)*
81
Mode 3
Input/output port
WP1D: Write Port 1 DDR
WP1:
RP1:
n =0 to7
* Set-priority
Write Port 1
Read Port 1
Mode 1 Reset
RP1
Q
Q
P1
P1
S
WP1D
WP1
n
Reset
C
n
DDR
C
DR
R
R
D
D
Figure 5-1
*