MC9S12GC16CFAE Freescale Semiconductor, MC9S12GC16CFAE Datasheet - Page 129

• Manufacturer Part Number: MC9S12GC16CFAE
• Description: IC MCU 16K FLASH 25MHZ 48-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12GC16CFAE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 31
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Processor Series: S12GC
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 1 KB
• Interface Type: CAN, SCI, SPI
• Maximum Clock Frequency: 25 MHz
• Number Of Programmable I/os: 31
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Development Tools By Supplier: M68EVB912C32EE, M68DKIT912C32SLK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Package: 48LQFP
• Family Name: HCS12
• Maximum Speed: 25 MHz
• Operating Supply Voltage: 2.5|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

Chapter 4
Multiplexed External Bus Interface (MEBIV3)
4.1
This section describes the functionality of the multiplexed external bus interface (MEBI) sub-block of the
S12 core platform. The functionality of the module is closely coupled with the S12 CPU and the memory
map controller (MMC) sub-blocks.
Figure 4-1
that are accessible externally. On some chips, these may not all be bonded out.
The MEBI sub-block of the core serves to provide access and/or visibility to internal core data
manipulation operations including timing reference information at the external boundary of the core and/or
system. Depending upon the system operating mode and the state of bits within the control registers of the
MEBI, the internal 16-bit read and write data operations will be represented in 8-bit or 16-bit accesses
externally. Using control information from other blocks within the system, the MEBI will determine the
appropriate type of data access to be generated.
4.1.1
The block name includes these distinctive features:
Freescale Semiconductor
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External bus controller with four 8-bit ports A,B, E, and K
Data and data direction registers for ports A, B, E, and K when used as general-purpose I/O
Control register to enable/disable alternate functions on ports E and K
Mode control register
Control register to enable/disable pull resistors on ports A, B, E, and K
Control register to enable/disable reduced output drive on ports A, B, E, and K
Control register to configure external clock behavior
Control register to configure IRQ pin operation
Logic to capture and synchronize external interrupt pin inputs
Introduction
is a block diagram of the MEBI. In
Features
MC9S12C-Family / MC9S12GC-Family
Figure
Rev 01.24
4-1, the signals on the right hand side represent pins
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