MCHC908MR8CFAE Freescale Semiconductor, MCHC908MR8CFAE Datasheet - Page 138

• Manufacturer Part Number: MCHC908MR8CFAE
• Description: IC MCU 8K FLASH 8MHZ PWM 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MCHC908MR8CFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 16
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Controller Family/series: HC08
• No. Of I/o's: 16
• Ram Memory Size: 256Byte
• Cpu Speed: 8MHz
• No. Of Timers: 2
• Rohs Compliant: Yes
• Processor Series: HC08MR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 64 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 4
• Operating Supply Voltage: 0 V to 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, M68CBL05CE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Clock Generator Module (CGM)
Technical Data
138
certain number of clock cycles, n
PLL is within the lock mode entry tolerance, ∆
acquisition time, t
acquisition to lock time, t
since the average frequency over the entire measurement period must
be within the specified tolerance, the total time usually is longer than
t
In manual mode, it is usually necessary to wait considerably longer than
t
Circuit) because the factors described in
on Reaction Time
Lock
Lock
as calculated above.
before selecting the PLL clock (see
Clock Generator Module (CGM)
ACQ
may slow the lock time considerably.
, is an integer multiple of n
AL
, is an integer multiple of n
TRK
, is required to ascertain that the
8.11.2 Parametric Influences
8.4.3 Base Clock Selector
Lock
MC68HC908MR8 — Rev 4.1
ACQ
. Therefore, the
Freescale Semiconductor
/f
RDV
TRK
, and the
/f
RDV
. Also,