M30263F6AFP#U5 Renesas Electronics America, M30263F6AFP#U5 Datasheet - Page 64
![MCU 3/5V 48K PB-FREE 42-SSOP](/photos/28/61/286144/42-ssop_sml.jpg)
M30263F6AFP#U5
Manufacturer Part Number
M30263F6AFP#U5
Description
MCU 3/5V 48K PB-FREE 42-SSOP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/26r
Datasheet
1.M30260F3AGPU5A.pdf
(354 pages)
Specifications of M30263F6AFP#U5
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
-20°C ~ 85°C
Package / Case
42-SSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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R
R
M
e
E
7.1 Main Clock
. v
J
1
Figure 7.1.1. Examples of Main Clock Connection Circuit
0
6
The following describes the clocks generated by the clock generation circuit.
The main clock is generated by the main clock oscillation circuit. This clock is used as the clock source for
the CPU and peripheral function clocks. The main clock oscillator circuit is configured by connecting a
resonator between the X
which is disconnected from the oscillator circuit during stop mode in order to reduce the amount of power
consumed in the chip. The main clock oscillator circuit may also be configured by feeding an externally
generated clock to the X
The main clock after reset oscillates in the M16C/26A and M16C/26B, but stop in the M16C/26T.
The power consumption in the chip can be reduced by setting the CM05 bit in the CM0 register to “1” (main
clock oscillator circuit turned off) after switching the clock source for the CPU clock to a sub clock or on-chip
oscillator clock. In this case, X
on, X
During stop mode, all clocks including the main clock are turned off. Refer to 7.6 power control.
If the main clock is not used, it is recommended to connect the XIN pin to VCC to reduce power consump-
tion during reset.
2
9
C
0 .
B
2 /
0
0
2
6
0
F
IN
A
2
e
0 -
b
G
is pulled “H” to X
1 .
2
o r
0
(Built-in Feedback Resistor)
, 5
0
u
2
p
0
(
0
M
7
NOTE:
1
6
MCU
1. Insert a damping resistor if required. Resistance value varies depending on the oscillator setting.
2. The external clock should not be stopped when it is connected to the X
C
page 45
Use resistance value recommended by the oscillator manufacturer. If the oscillator manufacturer
recommends that a feedback resistor be added to the chip externally, insert a feedback resistor
between X
selected as the CPU clock.
2 /
X
OUT
V
6
X
SS
IN
OUT
, A
IN
IN
pin. Figure 7.1.1 shows the examples of main clock connection circuit.
M
and X
IN
via the feedback resistor.
f o
1
Oscillator
OUT
6
and X
Rd
3
C
2
(1)
2 /
OUT
9
goes “H”. Furthermore, because the internal feedback resistor remains
OUT
6
, B
.
pins. The main clock oscillator circuit contains a feedback resistor,
M
1
6
C
C
OUT
C
IN
2 /
6
) T
(Built-in Feedback Resistor)
MCU
X
OUT
X
IN
Open
V
V
CC
SS
IN
External Clock
pin and the main clock is
7. Clock Generation Circuit
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