MC908GR48ACFAE Freescale Semiconductor, MC908GR48ACFAE Datasheet - Page 28

• Manufacturer Part Number: MC908GR48ACFAE
• Description: IC MCU 48K FLASH 8MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908GR48ACFAE

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 37
• Program Memory Size: 48KB (48K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 24x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: HC08GR
• Core: HC08
• Data Bus Width: 8 bit
• Data Ram Size: 1.5 KB
• Interface Type: ESCI/SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Development Tools By Supplier: FSICEBASE, DEMO908GZ60E, M68CBL05CE, M68EML08GPGTE
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 24-ch x 10-bit
• Controller Family/series: HC08
• No. Of I/o's: 37
• Ram Memory Size: 1.5KB
• Cpu Speed: 8MHz
• No. Of Timers: 2
• Embedded Interface Type: SCI, SPI
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

General Description
PTF3–PTF0 are general-purpose, bidirectional I/O port pins that contain higher current sink/source
capability.
PTF7–PTF0 are only available on the 64-pin QFP package. See
(TIM1), Chapter 18 Timer Interface Module (TIM2),
1.5.14 Port G I/O Pins (PTG7/AD23–PTBG0/AD16)
PTG7–PTG0 are general-purpose, bidirectional I/O port pins that can also be used for analog-to-digital
converter (ADC) inputs. PTG7–PTG0 are only available on the 64-pin QFP package. See
Input/Output (I/O) Ports
1.5.15 Unused Pin Termination
Input pins and I/O port pins that are not used in the application must be terminated. This prevents excess
current caused by floating inputs, and enhances immunity during noise or transient events. Termination
methods include:
Never connect unused pins directly to V
Since some general-purpose I/O pins are not available on all packages, these pins must be terminated
as well. Either method 1 or 2 above are appropriate.
28
1. Configuring unused pins as outputs and driving high or low;
2. Configuring unused pins as inputs and enabling internal pull-ups;
3. Configuring unused pins as inputs and using external pull-up or pull-down resistors.
MC68HC908GR60A • MC68HC908GR48A • MC68HC908GR32A Data Sheet, Rev. 5
and
Chapter 3 Analog-to-Digital Converter
DD
or V
SS
.
and
Chapter 12 Input/Output (I/O)
Chapter 17 Timer Interface Module
(ADC).
Freescale Semiconductor
Ports.
Chapter 12