O Ports | Freescale Semiconductor MC68HC08KH12 instruction

11.6 Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

11.7 TIM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 172

11.8 I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

11.8.1 TIM Clock Pin (PTE0/TCLK) . . . . . . . . . . . . . . . . . . . . . . . 172

11.8.2 TIM Channel I/O Pins (PTE1/TCH0:PTE2/TCH1). . . . . . . 173

11.9 I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173 11.9.1 TIM Status and Control Register (TSC) . . . . . . . . . . . . . . 173 11.9.2 TIM Counter Registers (TCNTH:TCNTL) . . . . . . . . . . . . . 175 11.9.3 TIM Counter Modulo Registers (TMODH:TMODL) . . . . . . 176

11.9.4TIM Channel Status and Control Registers (TSC0:TSC1) 177

11.9.5 TIM Channel Registers (TCH0H/L–TCH1H/L) . . . . . . . . . 181

Section 12. I/O Ports

12.1 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183

12.2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

12.3 Port A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

12.3.1 Port A Data Register (PTA) . . . . . . . . . . . . . . . . . . . . . . . . 186

12.3.2 Data Direction Register A (DDRA) . . . . . . . . . . . . . . . . . . 186

12.4 Port B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

12.4.1 Port B Data Register (PTB) . . . . . . . . . . . . . . . . . . . . . . . . 188

12.4.2 Data Direction Register B (DDRB) . . . . . . . . . . . . . . . . . . 189

12.5 Port C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

12.5.1 Port C Data Register (PTC). . . . . . . . . . . . . . . . . . . . . . . . 190

12.5.2 Data Direction Register C (DDRC) . . . . . . . . . . . . . . . . . . 191

12.6 Port D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

12.6.1 Port D Data Register (PTD). . . . . . . . . . . . . . . . . . . . . . . . 193

12.6.2 Data Direction Register D (DDRD) . . . . . . . . . . . . . . . . . . 193

12.7 Port E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195 12.7.1 Port E Data Register (PTE) . . . . . . . . . . . . . . . . . . . . . . . . 195 12.7.2 Data Direction Register E (DDRE) . . . . . . . . . . . . . . . . . . 196 12.7.3 Port-E Optical Interface Enable Register . . . . . . . . . . . . . 198

12.8 Port F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

MC68HC(7)08KH12 — Rev. 1.1	Advance Information

Freescale Semiconductor	11

MC68HC08KH12 specifications

The Freescale Semiconductor MC68HC08KH12 is a versatile microcontroller that has gained popularity in various embedded systems applications. Part of the HC08 family, this microcontroller combines a robust architecture with comprehensive on-chip features, making it suitable for a wide range of applications ranging from industrial control to consumer electronics.

One of the main features of the MC68HC08KH12 is its 8-bit architecture, which provides an optimal balance between performance and power efficiency. It operates at clock speeds of up to 2 MHz, allowing for efficient execution of instructions while maintaining low power consumption. The microcontroller is designed to operate over a voltage range of 2.7 to 5.5 volts, making it adaptable to various system requirements.

The MC68HC08KH12 is equipped with 1 Kbyte of RAM and 12 Kbytes of ROM, which allows for substantial program and data storage. The on-chip memory helps reduce the need for external components, simplifying the design of embedded systems and enhancing reliability. With a wide range of I/O options, including 26 general-purpose I/O pins, the microcontroller provides flexibility in interfacing with sensors, actuators, and other devices.

In terms of technologies, the MC68HC08KH12 features an advanced instruction set that enhances programming efficiency. It supports basic arithmetic operations, bit manipulation, and control transfer instructions, making it suitable for a variety of computational tasks. The integrated timers, analog-to-digital converters, and serial communication interfaces, including UART, provide the necessary tools for real-time control and data exchange with peripheral devices.

Another characteristic of the MC68HC08KH12 is its low power mode capabilities, which allow it to enter a sleep state during periods of inactivity. This feature is essential in battery-powered applications, where minimizing power consumption is crucial for extending operational life.

Overall, the Freescale Semiconductor MC68HC08KH12 stands out as a reliable microcontroller that combines performance, flexibility, and power efficiency. Its extensive features and technologies enable engineers to design robust embedded systems that meet the demands of modern applications. As a result, the MC68HC08KH12 remains a valuable choice for developers seeking a highly functional yet cost-effective microcontroller solution.

Freescale Semiconductor MC68HC08KH12 manual O Ports

Models: MC68HC08KH12

Section 12. I/O Ports

MC68HC08KH12 specifications