UPD78F9234MC-5A4-A Renesas Electronics America, UPD78F9234MC-5A4-A Datasheet - Page 253
UPD78F9234MC-5A4-A
Manufacturer Part Number
UPD78F9234MC-5A4-A
Description
MCU 8BIT 8KB FLASH 30PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9232MC-5A4-A.pdf
(419 pages)
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
UPD78F9234MC-5A4-A
Manufacturer:
MAXIM
Quantity:
1 001
Part Number:
UPD78F9234MC-5A4-A
Manufacturer:
NEC
Quantity:
20 000
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High-speed internal oscillation clock or
Notes 1.
Caution The watchdog timer is also reset in the case of an internal reset of the watchdog timer.
Remark When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
Notes 1.
Caution The watchdog timer is also reset in the case of an internal reset of the watchdog timer.
Remarks 1. f
Internal reset signal
Watchdog overflow
2.
2.
oscillation clock
Crystal/ceramic
(except P130)
effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
2. When reset is effected, P130 outputs a low level. If P130 is set to output a high level before reset is
The operation stop time is 277 s (MIN.), 544 s (TYP.), and 1.075 ms (MAX.).
Set high level output using software.
The operation stop time is 276 s (MIN.), 544 s (TYP.), and 1.074 ms (MAX.).
Set high level output using software.
CPU clock
Internal reset signal
external clock input
Watchdog overflow
effected, the output signal of P130 can be dummy-output as the reset signal to the CPU.
X
Port pin
Port pin
: System clock oscillation frequency
(P130)
(except P130)
<1> With high-speed internal oscillation clock or external clock input
CPU clock
Port pin
Port pin
(P130)
Figure 15-3. Timing of Reset by Overflow of Watchdog Timer
Normal operation
in progress
Normal operation
<2> With crystal/ceramic oscillation clock
in progress
CHAPTER 15 RESET FUNCTION
User’s Manual U17446EJ5V0UD
(oscillation stops)
Reset period
(oscillation stops)
Reset period
Oscillation stabilization
time (2
Operation stops because option
byte is referenced
10
/f
X
to 2
Hi-Z
17
/f
X
)
Operation stops because option
byte is referenced
Normal operation (reset processing, CPU clock)
Hi-Z
Normal operation
(reset processing, CPU clock)
Note 1
.
Note 1
.
Note 2
Note 2
251
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