M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 331
M30800SAGP-BL#U5
Manufacturer Part Number
M30800SAGP-BL#U5
Description
IC M32C/80 MCU ROMLESS 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M30800SAGP-BLU5.pdf
(354 pages)
Specifications of M30800SAGP-BL#U5
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
45
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
100-LQFP
For Use With
R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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M
R
R
24.4 Clock Generation Circuit
e
E
3
. v
J
2
0
C
24.4.1 CPU Clock
24.4.2 Sub Clock
1
9
8 /
0 .
B
• When the CPU operating frequency is 24 MHz or more, use the following procedure for better EMC
Set the CM03 bit to "0" (X
the CPU clock, or Timer A or Timer B count source (f
0
0
(Electromagnetic Compatibility) performance.
24.4.2.1 Sub Clock Oscillation
24.4.2.2 Using Stop Mode
24.4.2.3 Oscillation Parameter Matching
0
2
When oscillating the sub clock, set the CM04 bit in the CM0 register to "1" (X
function) after setting the CM07 bit in the CM0 register to "0" (clock other than sub clock) and the
CM03 bit to "1" (X
stabilizes.
Set the sub clock as the CPU clock, or Timer A or Timer B count source (f
are completed.
When the microcomputer enters stop mode, the CM03 bit is automatically set to "1" (X
capacity "HIGH"). Use the following procedure to select the main clock as the CPU clock when enter-
ing stop mode.
After exiting stop mode, wait for the sub clock oscillation to stabilize. Then set the CM03 bit to "0" and
the CM07 bit to "1" (sub clock).
If the sub slock oscillation parameters have only been evaluated with the drive capacity "HIGH", the
parameters should be reevaluated for drive capacity "LOW".
Contact your oscillator manufacturer for details on matching parameters.
G
7
N
1) Oscillator connected between the X
2) Use the PLL frequency synthesizer to multiply the main clock.
1
o
o r
0 -
1) Set the CM17 bit in the CM1 register to "0" (main clock).
2) Set the CM21 bit in the CM2 register to "0" (clock selected by the CM17 bit).
3) Set the CM07 bit in the CM0 register to "0" (clock selected by the CM21 bit divided by the MCD
. v
u
1
X
p
register setting).
0
0
IN
, 1
0
pin, has less than 24 MHz frequency.
2
0
0
5
Page 310
CIN
-X
CIN
COUT
f o
-X
3
COUT
3
drive capacity "HIGH"). Set the CM03 bit to "0" after sub clock oscillation
0
drive capacity "LOW") when selecting the sub clock (X
IN
and X
OUT
C32
pins, or external clock applied to the
).
24. Precautions (Clock Generation Circuit)
C32
) after the above settings
CIN
-X
COUT
CIN
CIN
-X
-X
COUT
oscillation
COUT
drive
) as
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