M30803FGFP#D3 Renesas Electronics America, M30803FGFP#D3 Datasheet - Page 297
M30803FGFP#D3
Manufacturer Part Number
M30803FGFP#D3
Description
IC M16C MCU FLASH 256K 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30803FGFP#D3
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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M
R
R
e
E
1
v
J
6
Figure 30.7 Read lock bit status flowchart
1 .
0
C
9
0 .
8 /
B
0
0
Read Lock Bit Status Command (71
0
1
A
By writing the command code “71
memory block in the second bus cycle that follows, the system reads out the status of the lock bit of
the specified block on to the data (D6).
Figure 30.7 shows an example of a read lock bit program flowchart.
8
G
u
7
o r
. g
0 -
u
1
0
p
0
, 2
0
2
0
0
5
Page 284
f o
3
2
9
Enter block address
Blocks locked
Write 71
D6 = 0?
16
16
Start
” in the first bus cycle and then the block address of a flash
)
YES
16
NO
Blocks not locked
30. CPU Rewrite Mode
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