M306N4FGTFP Renesas Electronics America, M306N4FGTFP Datasheet - Page 75

• Manufacturer Part Number: M306N4FGTFP
• Description: IC M16C MCU FLASH 100QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/6Nr

Specifications of M306N4FGTFP

• Core Processor: M16C/60
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 85
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

M16C/6N Group (M16C/6N4)
Rev.2.40
REJ09B0009-0240
8. Clock Generation Circuit
8.1 Types of Clock Generation Circuit
Table 8.1 Clock Generation Circuit Specifications
NOTE:
Use of clock
Clock
frequency
Usable
oscillator
Pins to connect
oscillator
Oscillation stop
and re-oscillation
detection function
Oscillation status
after reset
Other
Four circuits are incorporated to generate the system clock signal:
• Main clock oscillation circuit
• Sub clock oscillation circuit
• On-chip oscillator
• PLL frequency synthesizer
Table 8.1 lists the Clock Generation Circuit Specifications. Figure 8.1 shows the Clock Generation Circuit.
Figures 8.2 to 8.8 show the clock-related registers.
1. 24 MHz is available Normal-ver. only.
Item
Apr 14, 2006
0 to 16 MHz
•Ceramic oscillator
•Crystal oscillator
XIN, XOUT
Available
Oscillating
Externally derived clock can be input
• CPU clock source
• Peripheral function
Oscillation Circuit
clock source
page 51 of 376
Main Clock
32.768 kHz
•Crystal oscillator
XCIN, XCOUT
Available
Stopped
• CPU clock source
• Clock source of timer
Oscillation Circuit
A, B
Sub Clock
About 1 MHz
-
-
Available
Stopped
-
• CPU clock source
• Peripheral function
• CPU and peripheral
On-chip Oscillator
clock source
function clock sources
when the main clock
stops oscillating
8. Clock Generation Circuit
16 MHz, 20 MHz,
24 MHz
-
-
Available
Stopped
-
• CPU clock source
• Peripheral function
clock source
PLL Frequency
Synthesizer
(1)