MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 221

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

13.1 Contents
13.2 Introduction
MC68HC908AB32
Freescale Semiconductor
Technical Data — MC68HC908AB32
—
Section 13. Programmable Interrupt Timer (PIT)
Rev. 1.1
13.2
13.3
13.4
13.4.1
13.5
13.5.1
13.5.2
13.6
13.7
13.7.1
13.7.2
13.7.3
This section describes the programmable interrupt timer (PIT), which is
a timer whose counter is clocked internally via software programmable
options.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
PIT During Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .222
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225
Figure 13-1
Programmable Interrupt Timer (PIT)
PIT Counter Prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .224
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .224
PIT Status and Control Register. . . . . . . . . . . . . . . . . . . . . 225
PIT Counter Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227
PIT Counter Modulo Registers . . . . . . . . . . . . . . . . . . . . . . 228
is a block diagram of the PIT.
Technical Data
221