MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 219

• Manufacturer Part Number: MC68HC908SR12CFA
• Description: MICROCONTROLLER 48 PIN
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908SR12CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: Q1145673

13.10.3 PWM Data Registers (PWMDR0–PWMDR2)
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Address:
Address:
Address:
PCLK1–PCLK0 — PWM Clock Prescaler Bits
The three PWM data registers (PWMDR0–PWMDR2) defines the high
period for corresponding PWM channels.
Reset:
Reset:
Reset:
Read:
Write:
Read:
Write:
Read:
Write:
These two bits select the divide ratio used to divide the PWM input
clock.
0PWMD7 0PWMD6 0PWMD5 0PWMD4 0PWMD3 0PWMD2 0PWMD1 0PWMD0
1PWMD7 1PWMD6 1PWMD5 1PWMD4 1PWMD3 1PWMD2 1PWMD1 1PWMD0
2PWMD7 2PWMD6 2PWMD5 2PWMD4 2PWMD3 2PWMD2 2PWMD1 2PWMD0
Table 13-2. PWM Counter Clock Prescaler Selection
$0053
$0054
$0055
Table 13-2
0
0
0
Figure 13-7. PWM Data Register 0 (PWMDR0)
Figure 13-8. PWM Data Register 1 (PWMDR1)
Figure 13-9. PWM Data Register 2 (PWMDR2)
Pulse Width Modulator (PWM)
PCLK1
0
0
0
0
0
1
1
shows the available clock divisions.
0
0
0
PCLK0
0
1
0
1
0
0
0
PWM Clock, P
Source clock ÷ 1
Source clock ÷ 2
Source clock ÷ 4
Source clock ÷ 8
0
0
0
Pulse Width Modulator (PWM)
0
0
0
CLK
0
0
0
I/O Registers
Data Sheet
0
0
0
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