MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 223

• 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: -

16.6.4 Hsync Frequency Registers (HFRs)
MC68HC908BD48
Freescale Semiconductor
—
Rev. 2.1
Address:
Address:
CPW[1:0] — Clamp Pulse Width
This register pair contains the 13-bit Hsync frequency count value and
an overflow bit.
Reset:
Reset:
Read:
Read: HOVER
Write:
Write:
The CPW1 and CPW0 bits are used to select the output clamp pulse
width. Reset clears these bits, selecting a default clamp pulse width
between 0.33µs and 0.375µs. These bits always read as Zeros.
$0043
$0044
HFH7
Bit 7
Bit 7
0
0
Figure 16-7. Hsync Frequency High Register
Figure 16-8. Hsync Frequency Low Register
CPW1
0
0
1
1
= Unimplemented
HFH6
Sync Processor
6
0
6
0
0
Table 16-7. Clamp Pulse Width
HFH5
5
0
5
0
0
HFH4
HFL4
CPW0
4
0
4
0
0
1
0
1
HFH3
HFL3
3
0
3
0
Clamp Pulse Width
0.33µs to 0.375µs
0.75µs to 0.792µs
0.5µs to 0.542µs
HFH2
HFL2
2µs to 2.042µs
2
0
2
0
HFH1
HFL1
Sync Processor
1
0
1
0
Data Sheet
HFH0
HFL0
Bit 0
Bit 0
0
0
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