MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 152

• Manufacturer Part Number: MC68HC908BD48IFB
• Description: IC MCU 48K FLASH 6MHZ USB 44PQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908BD48IFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 6MHz
• Connectivity: I²C, USB
• Peripherals: POR, PWM
• Number Of I /o: 32
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Pulse Width Modulator (PWM)
Data Sheet
152
M=$00
M=$01
M=$0F
M=$1F
T=1 CPU clock period (0.167µs if CPU clock=6MHz)
M = value set in 5-bit PWM (bit3-bit7)
N = value set in 3-bit BRM (bit0-bit2)
T
Figure 11-3. 8-Bit PWM Output Waveforms
xx1
x1x
1xx
N
16T
PWM cycles where pulses are
4
2, 6
1, 3, 5, 7
Pulse Width Modulator (PWM)
inserted in a 8-cycle frame
Pulse inserted at end of PWM cycle
depends on setting of N.
1 PWM cycle = 32T
31T
31T
Number of inserted pulses
in a 8-cycle frame
1
2
4
16T
MC68HC908BD48
Freescale Semiconductor
T
—
Rev. 2.1