MC908SR12MFAE Freescale Semiconductor, MC908SR12MFAE Datasheet - Page 219

• Manufacturer Part Number: MC908SR12MFAE
• Description: IC MCU 12K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908SR12MFAE

• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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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