M30263F6AFP#U3 Renesas Electronics America, M30263F6AFP#U3 Datasheet - Page 254
![MCU 3/5V 48K I TEMP PB-FREE 42-S](/photos/28/61/286144/42-ssop_sml.jpg)
M30263F6AFP#U3
Manufacturer Part Number
M30263F6AFP#U3
Description
MCU 3/5V 48K I TEMP PB-FREE 42-S
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/26r
Datasheet
1.M30260F3AGPU5A.pdf
(354 pages)
Specifications of M30263F6AFP#U3
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, Voltage Detect, WDT
Number Of I /o
33
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
42-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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17.3 Functions To Prevent Flash Memory from Rewriting
e
E
1
. v
J
6
0
C
The flash memory has a built-in ROM code protect function for parallel I/O mode and a built-in ID code
check function for standard input/output mode to prevent the flash memory from reading or rewriting.
17.3.1 ROM Code Protect Function
17.3.2 ID Code Check Function
2
9
0 .
B
2 /
The ROM code protect function disables reading or changing the contents of the on-chip flash memory in
parallel I/O mode. Figure 17.3.1.1 shows the ROMCP address. The ROMCP address is located in a user
ROM area.
To enable ROM code protect, set the ROMCP1 bit to “00
“111111
To cancel ROM code protect, erase the block including the the ROMCP address in CPU rewrite mode or
standard serial I/O mode.
Use the ID code check function in standard serial input/output mode. Unless the flash memory is blank,
the ID codes sent from the programmer and the seven bytes ID codes written in the flash memory are
compared to see if they match. If the ID codes do not match, the commands sent from the programmer
are not acknowledged. The ID code consists of 8-bit data, starting with the first byte, into addresses,
0FFFDF
has a program with the ID code set in these addresses.
0
0
6
2
A
0
F
2
e
G
0 -
b
o r
1 .
2
2
0
16
, 5
u
”.
0
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, 0FFFE3
2
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0
M
0
7
1
6
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page 235
2 /
16
6
, A
, 0FFFEB
M
1
f o
6
C
3
2
2 /
16
9
6
, 0FFFEF
, B
M
1
6
C
2 /
16
6
, 0FFFF3
) T
16
, 0FFFF7
2
”, “01
2
”, or “10
16
, and 0FFFFB
2
” and set the bit 5 to bit 0 to
17. Flash Memory Version
16
. The flash memory
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