UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 149

• Manufacturer Part Number: UPD78F9212CS-CAB-A
• Description: MCU 8BIT 4KB FLASH 16PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9212CS-CAB-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 13
• 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: -

Notes 1. As long as power is being supplied, low-speed internal oscillator cannot be stopped (except in the reset
Watchdog timer clock
source
Operation after reset
Operation mode
selection
Features
Remarks 1. f
2. The conditions under which clock supply to the watchdog timer is stopped differ depending on the clock
period).
source of the watchdog timer.
<1> If the clock source is f
<2> If the clock source is f
2. f
RL
X
When f
In HALT/STOP mode
During oscillation stabilization time
: System clock oscillation frequency
If the CPU clock is f
In HALT/STOP mode
: Low-speed internal oscillation clock oscillation frequency
Table 8-2. Option Byte Setting and Watchdog Timer Operation Mode
Fixed to f
Operation starts with the maximum interval (2
The interval can be changed only once.
The watchdog timer cannot be stopped.
Low-Speed Internal Oscillator Cannot Be Stopped Low-Speed Internal Oscillator Can Be Stopped by Software
X
is stopped
RL
Note 1
.
X
RL
X
, clock supply to the watchdog timer is stopped under the following conditions.
and if f
, clock supply to the watchdog timer is stopped under the following conditions.
CHAPTER 8 WATCHDOG TIMER
User’s Manual U16994EJ6V0UD
RL
is stopped by software before execution of the STOP instruction
Option Byte Setting
18
/f
RL
). Operation starts with the maximum interval
(2
The clock selection/interval can be changed only
once.
The watchdog timer can be stopped
18
Selectable by software (f
When reset is released: f
/f
RL
).
X
RL
, f
RL
or stopped)
Note 2
.
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