M3087BFKBGP#U3 Renesas Electronics America, M3087BFKBGP#U3 Datasheet - Page 104
M3087BFKBGP#U3
Manufacturer Part Number
M3087BFKBGP#U3
Description
IC M32C/87B MCU FLASH 144LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M3087BFLGPU3.pdf
(629 pages)
Specifications of M3087BFKBGP#U3
Core Processor
M32C/80
Core Size
16/32-Bit
Speed
32MHz
Connectivity
EBI/EMI, I²C, IEBus, IrDA, SIO, UART/USART
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
121
Program Memory Size
768KB (768K x 8)
Program Memory Type
FLASH
Ram Size
48K 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
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
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M3087BFKBGP#U3M3087BFKBGP#U5
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ09B0180-0151 Rev.1.51 Jul 31, 2008
Page 80 of 587
9.
9.1
Table 9.1
Applications
Clock frequency
Connectable
oscillator or
resonator
Oscillator or
resonator connect
pins
Oscillation stop/
restart function
Oscillator state
after reset
Other
The MCU has four on-chip clock generation circuits to generate system clock signals.
Table 9.1 lists the specifications of the clock generation circuit. Figure 9.1 shows a block diagram of the clock
generation circuit. Figures 9.2 to 9.8 show clock-associated registers.
Clock Generation Circuits
•
•
•
•
Main clock oscillation circuit
Sub clock oscillation circuit
On-chip oscillator
PLL frequency synthesizer
Item
Types of the Clock Generation Circuit
Clock Generation Circuit Specifications
• CPU clock source
• Peripheral function
Up to 32 MHz
• Ceramic resonator
• Crystal oscillator
XIN, XOUT
Available
Oscillating
Externally generated
clock can be used.
Main Clock Oscillation
clock source
Circuit
• CPU clock source
• Count source for
32.768 kHz
Crystal oscillator
XCIN, XCOUT
Available
Stopped
Externally generated
clock can be used.
Sub Clock Oscillation
timer A and timer B
Circuit
• CPU clock source
• Peripheral function
Approx. 1 MHz
−
−
Available
Stopped
Oscillation stop detect
function:
clock source
When the main clock
stops, the on-chip
oscillator starts
oscillating
automatically and
becomes the CPU
and peripheral
function clock source
On-chip Oscillator
9. Clock Generation Circuits
• CPU clock source
• Peripheral function
Up to 32 MHz
(see Table 9.3)
−
−
Available
Stopped
30 MHz or 20 MHz:
32 MHz or 21.3 MHz
clock source
Input 10 MHz to the
main clock
Input 8 MHz to the
main clock
PLL Frequency
Synthesizer
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