M30263F6AFP#U9 Renesas Electronics America, M30263F6AFP#U9 Datasheet - Page 59
M30263F6AFP#U9
Manufacturer Part Number
M30263F6AFP#U9
Description
MCU 3/5V 48K PB-FREE 42-SSOPP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/26r
Datasheet
1.M30260F3AGPU5A.pdf
(354 pages)
Specifications of M30263F6AFP#U9
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
. v
J
1
Figure 7.2. CM0 Register
0
6
2
9
C
0 .
B
2 /
0
0
2
6
0
F
A
2
e
0 -
b
G
NOTES:
1 .
2
10. When the PM21 bit of PM2 register is set to "1" (clock modification disable), writing to the CM02, CM05, and CM07 bits has no
11. If the PM21 bit needs to be set to "1", set the CM07 bit to "0"(main clock) before setting it.
12. To use the main clock as the clock source for the CPU clock, follow the procedure below.
13. When the CM21 bit is set to "0" (on-chip oscillaor turned off) and the CM05 bit is set to "1" (main clock turned off), the CM06 bit is
14. To return from on-chip oscillator mode to high-speed or middle-speed mode set the CM06 and CM15 bits both to "1".
o r
b7
System clock control register 0
0
1. Write to this register after setting the PRC0 bit in the PRCR register to "1" (write enable).
2. The CM03 bit is set to "1" (high) when the CM04 bit is set to "0" (I/O port) or the microcomputer goes to a stop mode.
4. During external clock input, only the clock oscillation buffer is turned off and clock input is accepted.
5. When CM05 bit is set to "1", the X
6. After setting the CM04 bit to "1" (X
7. When entering stop mode from high or middle speed mode, on-chip oscillator mode or on-chip oscillator low power mode, the
8. The f
9. To use a sub-clock, set this bit to "1". Also make sure ports P8
, 5
0
u
mode is selected. This bit cannot be used for detection as to whether the main clock stopped or not. To stop the main clock, the
following setting is required:
X
CM07 bit from "0" to "1" (sub-clock).
CM06 bit is set to "1" (divide-by-8 mode).
off when in wait mode).
effect.
fixed to "1" (divide-by-8 mode) and the CM15 bit is fixed to "1" (drive capability High).
b6
(1) Set the CM05 bit to "0" (oscillate).
(2) Wait until td(M-L) elapses or the main clock oscillation stabilizes, whichever is longer.
(3) Set the CM11, CM21 and CM07 bits all to "0".
3. This bit is provided to stop the main clock when the low power dissipation mode or on-chip oscillator low power dissipation
(1) Set the CM07 bit to "1" (Sub-clock select) or the CM21 bit in the CM2 register to "1" (on-chip oscillator select) with the sub-
(2) Set the CM20 bit in CM2 register to "0" (Oscillation stop, re-oscillation detection function disabled).
(3) Set the CM05 bit to "1" (Stop).
2
p
IN
0
pin is pulled "H" to the same level as X
b5
(
clock stably oscillating.
0
M
C32
7
b4
1
clock does not stop. During low speed or low power dissipation mode, do not set this bit to "1" (peripheral clock turned
6
b3
C
page 40
2 /
b2
6
b1
, A
b0
M
f o
Bit symbol
1
6
CM00
CM01
3
CM02
CM03
CM04
CM05
CM06
CM07
C
Symbol
CM0
2
9
2 /
OUT
CIN
6
, B
-X
pin goes "H". Furthermore, because the internal feedback resistor remains connected, the
(1)
Clock output function
select bit
COUT
WAIT peripheral function
clock stop bit (10)
Port X
(2)
Main clock stop bit
(3, 10, 12, 13)
Main clock division select
bit 0 (7, 13, 14)
X
select bit (2)
System clock select bit
(6, 10, 11, 12)
M
CIN
OUT
1
-X
oscillator function), wait until the sub-clock oscillates stably before switching the
6
C
via the feedback resistor.
COUT
C
select bit
Bit name
2 /
drive capacity
6
Address
0006
) T
16
6
and P8
01101000
Refer to Table 7.5.3.1 Function of the CLKout pin
After reset
01001000
0 : Do not stop peripheral function clock in wait mode
1 : Stop peripheral function clock in wait mode (8)
0 : LOW
1 : HIGH
0 : I/O port P8
1 : X
0 : On
1 : Off (4, 5)
0 : CM16 and CM17 valid
1 : Division by 8 mode
0 : Main clock, PLL clock, or on-chip oscillator clock
1 : Sub-clock
7
are directed for input, with no pull-ups.
CIN
-X
COUT
2
2
(M16C/26A, M16C/26B)
(M16C/26T)
6
, P8
generation function (9)
7
Function
7. Clock Generation Circuit
RW
RW
RW
RW
RW
RW
RW
RW
RW
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