UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 87

• Manufacturer Part Number: UPD78F9234MC-5A4-A
• Description: MCU 8BIT 8KB FLASH 30PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9234MC-5A4-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 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: -

Note Operation stop time is 277 s (MIN.), 544 s (TYP.), and 1.075 ms (MAX.).
(a) The internal reset signal is generated by the power-on-clear function on power application, the option byte is
(b) The option byte is referenced and the system clock is selected. Then the external clock operates as the
Remark PCC:
referenced after reset, and the system clock is selected.
system clock.
System clock
Internal reset
CPU clock
PPCC: Preprocessor clock control register
RESET
V
DD
Figure 5-13. Status Transition of Default Start by External Clock Input
Processor clock control register
H
Figure 5-12. Timing of Default Start by External Clock Input
Interrupt
(a)
HALT
System clock is selected.
selected by option byte
CHAPTER 5 CLOCK GENERATORS
(Operation stops
Option byte is read.
External clock input
Clock division ratio
instruction
variable during
power-on-clear
CPU operation
HALT
User’s Manual U17446EJ5V0UD
Reset by
application
Power
V
Start with PCC = 02H,
PPCC = 02H
Note
instruction
DD
STOP
)
> 2.1 V (TYP.)
(b)
STOP
Interrupt
PCC = 02H, PPCC = 02H
Reset signal
External clock input
85