MC908AP32CFAE Freescale Semiconductor, MC908AP32CFAE Datasheet - Page 251

• Manufacturer Part Number: MC908AP32CFAE
• Description: IC MCU 32K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908AP32CFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, IRSCI, SCI, SPI
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Controller Family/series: HC08
• No. Of I/o's: 32
• Ram Memory Size: 2KB
• Cpu Speed: 8MHz
• No. Of Timers: 2
• Embedded Interface Type: I2C, SCI, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

15.3.3 Conversion Time
Conversion starts after a write to the ADSCR. One conversion will take between 16 and 17 ADC clock
cycles, therefore:
Freescale Semiconductor
AIEN
INTERRUPT
INTERNAL
DATA BUS
LOGIC
Number of bus cycles = conversion time × bus frequency
COCO
Conversion time =
READ DDRAx
WRITE DDRAx
WRITE PTAx
READ PTAx
CONVERSION
COMPLETE
BUS CLOCK
CGMXCLK
RESET
MC68HC908AP Family Data Sheet, Rev. 4
Figure 15-2. ADC Block Diagram
ADC DATA REGISTERS
16 to17 ADC cycles
ADIV[2:0]
ADRH0
ADC frequency
GENERATOR
10-BIT ADC
DDRAx
PTAx
CLOCK
ADRL0
ADRL1
ADRL2
ADRL3
ADCICLK
ADICLK
VOLTAGE IN
DISABLE
(V
ADC
ADIN
)
2-BIT UP-COUNTER
DISABLE
CHANNEL
ADC0–ADC7
(8 CHANNELS)
SELECT
MUX
ADCH[4:0]
Functional Description
AUTO[1:0]
ASCAN
PTAx/ADCx
VREFH
VREFL
249