M30803FGFP#U5 Renesas Electronics America, M30803FGFP#U5 Datasheet - Page 31
M30803FGFP#U5
Manufacturer Part Number
M30803FGFP#U5
Description
MCU 3/5V 256K PB-FREE 100-QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/80r
Datasheet
1.M30803FGGPU3.pdf
(360 pages)
Specifications of M30803FGFP#U5
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
-20°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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M
R
R
4. Reset
e
E
1
v
J
Figure 4.1 Example reset circuit
Figure 4.2 Reset sequence
6
1 .
0
There are two kinds of resets; hardware and software. In both cases, operation is the same after the reset.
(See “Software Reset” for details of software resets.) This section explains on hardware resets.
When the supply voltage is in the range where operation is guaranteed, a reset is effected by holding the
reset pin level “L” (0.2V
level while main clock is stable, the reset status is cancelled and program execution resumes from the
address in the reset vector table.
Figure 4.1 shows the example reset circuit. Figure 4.2 shows the reset sequence.
C
9
0 .
8 /
B
mode BYTE = “H”
mode BYTE = “L”
Microprocessor
0
X
RESET
Address
RD
WR
CS0
Microprocessor
Address
RD
WR
CS0
Address
BCLK
0
Single chip
0
IN
1
mode
A
8
G
u
7
o r
. g
0 -
u
1
0
p
0
, 2
0
2
0
0
More than 20 cycles are needed
5
RESET
Page 18
40 to 45 BCLK cycles
CC
max.) for at least 20 cycles. When the reset pin level is then returned to the “H”
V
CC
f o
3
2
9
FFFFFC
RESET
FFFFFC
FFFFFC
FFFFFE
16
V
0V
0V
CC
Content of reset vector
16
16
16
Recommended
operating
voltage
Equal to or less
than 0.2V
FFFFFD
FFFFFE
CC
16
16
FFFFFE
Content of reset vector
Equal to or less
than 0.2V
More than 20 cycles of X
are needed.
16
CC
FFFFFF
16
IN
Content of reset vector
4. Reset
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