M30263F6AFP#U3 Renesas Electronics America, M30263F6AFP#U3 Datasheet - Page 66
![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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7.3 On-chip Oscillator Clock
7.4 PLL Clock
. v
J
1
NOTE:
Table 7.4.1. Example for Setting PLL Clock Frequencies
0
6
2
This clock is supplied by a on-chip oscillator. This clock is used as the clock source for the CPU and
peripheral function clocks. In addition, if the PM22 bit in the PM2 register is “1” (on-chip oscillator clock for
the watchdog timer count source), this clock is used as the count source for the watchdog timer (Refer to
10.1 Count source protective mode).
The on-chip oscillator clock after reset oscillates. The on-chip oscillator clock f
for the CPU clock. It can also be turned off by setting the CM21 bit in the CM2 register to “0” (main clock or
PLL clock). If the main clock stops oscillating when the CM20 bit in the CM2 register is “1” (oscillation stop,
re-oscillation detection function enabled) and the CM27 bit is “1” (oscillation stop, re-oscillation detection
interrupt), the on-chip oscillator automatically starts operating, supplying the necessary clock for the micro-
computer.
The PLL clock is generated from the main clock by a PLL frequency synthesizer. This clock is used as the
clock source for the CPU and peripheral function clocks. After reset, the PLL clock is turned off. The PLL
frequency synthesizer is activated by setting the PLC07 bit to “1” (PLL operation). When the PLL clock is
used as the clock source for the CPU clock, wait t
CM11 bit in the CM1 register to “1”.
Before entering wait mode or stop mode, be sure to set the CM11 bit to “0” (CPU clock source is the main
clock). Furthermore, before entering stop mode, be sure to set the PLC07 bit in the PLC0 register to “0”
(PLL stops). Figure 7.4.1 shows the procedure for using the PLL clock as the clock source for the CPU.
The PLL clock frequency is determined by the equation below.
frequency
The PLC02 to PLC00 bits can be set only once after reset. Table 7.4.1 shows the example for setting PLL
clock frequencies.
9
C
0 .
X
(MHz)
B
1. 10 MHz
PLL clock frequency=f(X
(However, 10 MHz
2 /
10
IN
0
0
5
frequency
2
6
0
F
A
2
e
0 -
b
G
1 .
2
o r
0
, 5
PLC02
0
u
24 MHz in M16C/26B)
2
p
0
0
0
(
PLL clock frequency
0
M
7
24 MHz in M16C/26B)
1
6
C
page 47
2 /
PLC01
6
PLL clock frequency
, A
0
1
IN
M
) X (multiplying factor set by the PLC02 to PLC00 bits in the PLC0 register)
f o
1
6
3
C
2
2 /
9
PLC00
6
1
0
, B
20 MHz in M16C/26A and M16C/26T, 10 MHz
M
1
6
C
2 /
Multiplying factor
20 MHz in M16C/26A and M16C/26T, 10 MHz
6
) T
su
(PLL) for the PLL clock to be stable, and then set the
2
4
PLL clock
(MHz)
20
(1)
2(ROC)
7. Clock Generation Circuit
divided by 16 is used
PLL clock
PLL clock
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