UPD78F9202MA-CAC-A Renesas Electronics America, UPD78F9202MA-CAC-A Datasheet - Page 67

• Manufacturer Part Number: UPD78F9202MA-CAC-A
• Description: MCU 8BIT 4KB FLASH 128B RAM
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9202MA-CAC-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 7
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Connectivity: -

<R>
Caution Because the P34 pin functions alternately as the RESET pin, if it is used as an input port pin, the
Caution Because the P34 pin functions alternately as the RESET pin, if it is used as an input port pin, the
RD:
RD:
function to input an external reset signal to the RESET pin cannot be used. The function of the
port is selected by the option byte. For details, refer to CHAPTER 15 OPTION BYTE.
Also, since the option byte is referenced after the reset release, if low level is input to the RESET
pin before the referencing, then the reset state is not released. When it is used as an input port
pin, connect the pull-up resistor.
function to input an external reset signal to the RESET pin cannot be used. The function of the
port is selected by the option byte. For details, refer to CHAPTER 15 OPTION BYTE.
Also, since the option byte is referenced after the reset release, if low level is input to the RESET
pin before the referencing, then the reset state is not released. When it is used as an input port
pin, connect an on-chip pull-up resistor by using bit 4 (PU34) of pull-up resistor option register 3
(PU3).
Read signal
Read signal
WR
RD
RD
Reset
Reset
PU
Figure 4-10. Block Diagram of P34 (
Figure 4-9. Block Diagram of P34 (
Option byte
Option
byte
CHAPTER 4 PORT FUNCTIONS
User’s Manual U18172EJ3V0UD
PU34
PU3
V
DD
P-ch
PD78F920x
PD78F950x
)
)
P34/RESET
P34/RESET
65