M30280FAHP#U5B Renesas Electronics America, M30280FAHP#U5B Datasheet - Page 68

• Manufacturer Part Number: M30280FAHP#U5B
• Description: IC M16C/28 MCU FLASH 96K 80LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/Tiny/28r

Specifications of M30280FAHP#U5B

• Core Size: 16-Bit
• Program Memory Size: 96KB (96K x 8)
• Core Processor: M16C/60
• Speed: 20MHz
• Connectivity: I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, POR, PWM, Voltage Detect, WDT
• Number Of I /o: 71
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 80-LQFP
• Controller Family/series: M16C
• No. Of I/o's: 71
• Ram Memory Size: 8KB
• Cpu Speed: 20MHz
• No. Of Timers: 10
• Digital Ic Case Style: LQFP
• Embedded Interface Type: I2C, UART
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: R0K330290S000BE - KIT EVAL STARTER FOR M16C/29M30290T2-CPE - EMULATOR COMPACT M16C/26A/28/29M30290T2-CPE-HP - EMULATOR COMPACT FOR M16C/TINY
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

M
R
R
e
E
1
. v
J
Figure 7.2 CM0 Register
6
0
C
2
9
0 .
2 /
B
0
0
NOTES:
System Clock Control Register 0
8
b7
0
10. When the PM21 bit in the PM2 register is set to "1" (clock modification disable), writing to the CM02, CM05 and CM07 bits has
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 a 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
14. To return from on-chip oscillator mode to high-speed or middle-speed mode set the CM06 and CM15 bits both to "1".
4
G
1. Write to this register after setting the PRC0 bit of 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.
3. This bit is provided to stop the main clock when the low power dissipation mode or on-chip oscillator low power dissipation mode
4. During external clock input, set the CM05 bit to "0"(On).
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
J
7
b6
a
o r
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:
(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 the CM2 register to "0" (Oscillation stop, re-oscillation detection function disabled).
(3) Set the CM05 bit to "1" (Stop).
the X
the CM07 bit from "0" to "1" (sub-clock).
CM06 bit is set to "1" (divided-by-8 mode).
off in wait mode).
no effect.
(1) Set the CM05 bit to "0" (oscillate).
(2) Wait the main clock oscillation stabilized.
(3) Set the CM11, CM21 and CM07 bits all to "0".
is fixed to "1" (divide-by-8 mode) and the CM15 bit is fixed to "1" (drive capability High).
0 -
. n
b5
u
2
clock stably oscillating.
3
p
0
IN
C32
, 1
b4
0
(
pin is pulled "H" to the same level as X
M
2
clock does not stop. During low speed or low power dissipation mode, do not set this bit to "1"(peripheral clock turned
b3
0
1
0
6
b2
7
C
b1
0
2 /
, 8
b0
0
page 46
M
Bit symbol
1
(b1-b0)
6
CM02
CM03
CM04
CM05
CM06
CM07
Symbol
CM0
C
f o
2 /
OUT
CIN
8
3
) B
8
-X
5
Port X
Main clock division select
bit 0
pin goes "H". Futhermore, because the internal feedback resistor remains connectes,
Reserved bits
Wait Mode peripheral function
clock stop bit
X
select bit
Main clock stop bit
(3, 10, 12, 13)
System clock select bit
(6, 10, 11, 12)
(1)
COUT
CIN
-X
(7, 13, 14)
C
oscillator function), wait until the sub-clock oscillates stably before switching
COUT
OUT
select bit
Bit name
(2)
via the feedback resistor.
drive capacity
Address
0006
(10)
(2)
16
6
and P8
Set to "0"
0 : Do not stop peripheral function clock in wait mode
1 : Stop peripheral function clock in wait mode
0 : LOW
1 : HIGH
0 : I/O port P8
1 : X
0 : On
1 : Off
0 : CM16 and CM17 valid
1 : Division by 8 mode
0 : Main clock, PLL clock, or on-chip oscillator clock
1 : Sub-clock
CIN
7
After Reset
01001000
are directed for input, with no pull-ups.
(4)
(5)
-X
COUT
6
generation function
, P8
2
7
Function
(9)
7. Clock Generation Circuit
(8)
RW
RW
RW
RW
RW
RW
RW
RW