UPD78F9221CS-CAC-A Renesas Electronics America, UPD78F9221CS-CAC-A Datasheet - Page 294
UPD78F9221CS-CAC-A
Manufacturer Part Number
UPD78F9221CS-CAC-A
Description
MCU 8BIT 2KB FLASH 20PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9221MC-5A4-A.pdf
(418 pages)
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
-
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Caution Be sure to perform the series of operations described above using the user program at an
Remark
address where data is not erased or written.
<1> to <7> in Figure 18-18 correspond to <1> to <7> in 18.8.4 (previous page).
<4>
<5>
Figure 18-18. Example of Shifting to Self Programming Mode
FLPMC = 0FEH (inverted set value)
Shift to self programming mode
<1> Disable interrupts (by setting
<6> Check execution result
FLPMC = 01H (set value)
FLPMC = 01H (set value)
MK0 and MK1 to FFH and
executing DI instruction)
<3> Clear PFS
<2> Clear
<7> Termination
HALT instruction
(FLCMD = 00H)
NOP instruction
PFCMD = A5H
(FPRERR flag)
CHAPTER 18 FLASH MEMORY
User’s Manual U16898EJ6V0UD
If the CPU clock is lower than 1 MHz,
set it to be 1 MHz or higher.
FLCMD
Normal
Abnormal
; When interrupt function is used
; Set value is invalid
; Set value is valid
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