MCHC908MR8VFAE Freescale Semiconductor, MCHC908MR8VFAE Datasheet - Page 258

• Manufacturer Part Number: MCHC908MR8VFAE
• Description: IC MCU 8K FLASH 8MHZ PWM 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MCHC908MR8VFAE

• 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 ~ 105°C
• Package / Case: 32-LQFP
• Processor Series: HC08MR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 33
• Number Of Timers: 4
• Maximum Operating Temperature: + 105 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

Serial Communications Interface (SCI)
Technical Data
258
RT CLOCK
RT CLOCK
SAMPLES
PTB0/RxD
CLOCK
RESET
STATE
RT
To verify the start bit and to detect noise, data recovery logic takes
samples at RT3, RT5, and RT7.
the start bit verification samples.
If start bit verification is not successful, the RT clock is reset and a new
search for a start bit begins.
Figure 13-6. Receiver Data Sampling
QUALIFICATION
START BIT
Serial Communications Interface (SCI)
RT3, RT5, and RT7
Samples
Table 13-1. Start Bit Verification
VERIFICATION
000
001
010
011
100
101
110
111
START BIT
START BIT
SAMPLING
Table 13-1
DATA
Verification
Start Bit
Yes
Yes
Yes
Yes
No
No
No
No
summarizes the results of
MC68HC908MR8 — Rev 4.1
Noise Flag
Freescale Semiconductor
0
1
1
0
1
0
0
0
LSB