UPD78F9212CS-CAB-A Renesas Electronics America, UPD78F9212CS-CAB-A Datasheet - Page 243
UPD78F9212CS-CAB-A
Manufacturer Part Number
UPD78F9212CS-CAB-A
Description
MCU 8BIT 4KB FLASH 16PIN
Manufacturer
Renesas Electronics America
Series
78K0S/Kx1+r
Datasheet
1.UPD78F9510GR-JJG-A.pdf
(364 pages)
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
-
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(7) Flash write buffer register (FLW)
(8) Protect byte
is valid only in the self programming mode. Because self programming of the protected area is invalid, the data
written to the protected area is guaranteed.
This register is set with an 8-bit memory manipulation instruction.
This register is used to store the data to be written to the flash memory.
Reset signal generation clears these registers to 00H.
This protect byte is used to specify the area that is to be protected from writing or erasing. The specified area
Address: 0081H
PRSELF4
PRSELF4
PD78F9210, 78F9510
PD78F9211, 78F9511
Address: FFA8H
Symbol
7
1
0
0
1
0
0
0
0
1
FLW
PRSELF3
PRSELF3
PRSELF4
FLW7
7
1
1
1
1
1
1
1
1
6
Figure 16-16. Format of Flash Write Buffer Register (FLW)
After reset: 00H
Other than above
Other than above
FLW6
PRSELF2
PRSELF2
PRSELF3
Figure 16-17. Format of Protect Byte (1/2)
6
1
1
1
1
1
1
1
1
5
CHAPTER 16 FLASH MEMORY
FLW5
User’s Manual U16994EJ6V0UD
5
PRSELF2
PRSELF1
PRSELF1
R/W
1
1
1
0
0
1
1
1
4
FLW4
4
PRSELF0
PRSELF0
PRSELF1
0
1
1
0
1
0
1
1
3
FLW3
3
All blocks can be written or erased.
All blocks can be written or erased.
Blocks 3 to 0 are protected.
Blocks 1 and 0 are protected.
Blocks 2 and 3 can be written or erased.
Setting prohibited
Blocks 7 to 0 are protected.
Blocks 5 to 0 are protected.
Blocks 6 and 7 can be written or erased.
Blocks 3 to 0 are protected.
Blocks 4 to 7 can be written or erased.
Blocks 1 and 0 are protected.
Blocks 2 to 7 can be written or erased.
Setting prohibited
PRSELF0
FLW2
2
2
FLW1
1
Status
Status
1
1
FLW0
0
0
1
241
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