M30845FJGP#U3 Renesas Electronics America, M30845FJGP#U3 Datasheet - Page 120

IC M32C MCU FLASH 512K 144LQFP

M30845FJGP#U3

Manufacturer Part Number
M30845FJGP#U3
Description
IC M32C MCU FLASH 512K 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheets

Specifications of M30845FJGP#U3

Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
121
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
24K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 34x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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M
R
R
9.5 Power Consumption Control
e
E
3
. v
J
2
0
C
Normal operating mode, wait mode and stop mode are provided as the power consumption control.
All mode states, except wait mode and stop mode, are called normal operating mode in this section. Figure
9.13 shows a block diagram of status transition in wait mode and stop mode. Figure 9.14 shows a block
diagram of status transition in all modes.
9.5.1 Normal Operating Mode
1
9
8 /
0 .
B
The normal operating mode is further separated into six modes.
In normal operating mode, the CPU clock and peripheral function clock are supplied to operate the CPU
and peripheral function. The power consumption control is enabled by controlling a CPU clock fre-
quency. The higher the CPU clock frequency is, the more processing power increases. The lower the
CPU clock frequency is, the more power consumption decreases. When unnecessary oscillation circuit
stops, power consumption is further reduced.
0
1
4
9.5.1.1 High-Speed Mode
9.5.1.2 Medium-Speed Mode
9.5.1.3 Low-Speed Mode
9.5.1.4 Low-Power Consumption Mode
9.5.1.5 On-Chip Oscillator Mode
9.5.1.6 On-Chip Oscillator Low-Power Consumption Mode
0
G
The main clock
the sub clock runs, f
The main clock
clock
as a count source for the timers A and B.
The sub clock becomes the CPU clock . The main clock
clock. f
The microcomputer enters low-power consumption mode when the main clock stops in low-speed
mode. The sub clock becomes the CPU clock. Only f
A and B and the peripheral function clock. In low-power consumption mode, the MCD4 to MCD0 bits
in the MCD register are set to "01000
running, the microcomputer is in midium-speed mode (divide-by-8 mode).
The on-chip oscillator clock divided-by-1 (no division), -2, -3, 4-, -6, -8, -10, -12, -14, or -16 becomes
the CPU clock. The on-chip oscillator clock is a clock source for the peripheral function clock. When
the sub clock runs, f
The microcomputer enters on-chip oscillator low-power consumption mode when the main clock stops
in on-chip oscillator mode . The on-chip oscillator clock divided-by-1 (no division), -2, -3, -4, -6, -8, -10, -
12, -14, or -16 becomes the CPU clock. The on-chip oscillator clock is a clock source for the peripheral
function clock. When the sub clock runs, f
NOTES:
3
J
6
u
o r
0 -
. l
1. The PLL clock, instead of the main clock, when the CM17 bit is set to "1" (PLL clock).
u
0
1
p
(1)
, 7
0
1
(
2
M
C32
is a clock source for the peripheral function clock. When the sub clock runs, f
0
3
0
2
5
can be used as a count source for the timers A and B.
C
8 /
Page 97
(1)
(1)
, 4
becomes the CPU clock and a clock source of the peripheral function clock. When
M
divided-by-2, -3, -4, -6, -8, -10, -12, -14, or -16 becomes the CPU clock. The main
3
C32
C32
2
C
can be used as a count source for the timers A and B.
can be used as a count source for the timers A and B.
8 /
f o
4
4
) T
9
5
2
" (divide-by-8 mode). Therefore, when the main clock resumes
C32
can be used as a count source for the timers A and B.
C32
(1)
can be used as a count source for the timers
is a clock source for the peripheral function
9. Clock Generation Circuit
C32
can be used