UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 300

• Manufacturer Part Number: UPD78F9221CS-CAC-A
• Description: MCU 8BIT 2KB FLASH 20PIN
• Manufacturer: Renesas Electronics America
• Series: 78K0S/Kx1+r

Specifications of UPD78F9221CS-CAC-A

• Core Processor: 78K0S
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: LIN, UART/USART
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• Program Memory Size: 2KB (2K 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: -

<R>
298
Note This setting is not required when the watchdog timer is not used.
Remark
<1> to <12> in Figure 18-20 correspond to <1> to <12> in 18.8.6 (previous page).
The erase command
can be re-executed.
Figure 18-20. Example of Block Erase Operation in Self Programming Mode
<2> Set no. of block to be erased
<7> Clear & restart WDT counter
<8> Execute HALT instruction
<11> Abnormal termination
<4> Set the same value as
<9> Check execution result
that of FLAPH to FLAPHC
the number of executions of
<1> Set erase command
<5> Set FLAPLC to 00H
<3> Set FLAPL to 00H
(WDTE = ACH)
the erase command
CHAPTER 18 FLASH MEMORY
(FLCMD = 03H)
<6> Clear PFS
Block erasure
<10> Check
to FLAPH
User’s Manual U16898EJ6V0UD
The erase command
cannot be re-executed.
Abnormal
Note
<12> Normal termination
Normal