MC9S12E256VPVE Freescale Semiconductor, MC9S12E256VPVE Datasheet - Page 298

• Manufacturer Part Number: MC9S12E256VPVE
• Description: IC MCU 256K FLASH 25MHZ 112-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HCS12r

Specifications of MC9S12E256VPVE

• Core Processor: HCS12
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, I²C, SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 91
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 2.35 V ~ 2.75 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 112-LQFP
• Processor Series: S12E
• Core: HCS12
• Data Bus Width: 16 bit
• Data Ram Size: 16 KB
• Interface Type: I2C/SCI/SPI
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 92
• Number Of Timers: 12
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWHCS12
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 16-ch x 10-bit
• On-chip Dac: 2-ch x 8-bit
• For Use With: M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Chapter 10 Inter-Integrated Circuit (IICV2)
10.1.3
The block diagram of the IIC module is shown in
10.2
The IICV2 module has two external pins.
10.2.1
This is the bidirectional serial clock line (SCL) of the module, compatible to the IIC bus specification.
10.2.2
This is the bidirectional serial data line (SDA) of the module, compatible to the IIC bus specification.
10.3
This section provides a detailed description of all memory and registers for the IIC module.
10.3.1
The memory map for the IIC module is given below in
the address offset.The total address for each register is the sum of the base address for the IIC module and
the address offset for each register.
298
External Signal Description
Memory Map and Register Definition
Block Diagram
IIC_SCL — Serial Clock Line Pin
IIC_SDA — Serial Data Line Pin
Module Memory Map
Interrupt
bus_clock
IIC
MC9S12E256 Data Sheet, Rev. 1.08
Registers
Figure 10-1. IIC Block Diagram
Clock
Control
Figure
Figure
Start
Stop
Arbitration
Control
Compare
Address
10-1.
In/Out
Data
Shift
Register
10-2. The address listed for each register is
Freescale Semiconductor
SCL
SDA