MC68HC908MR8CP Freescale Semiconductor, MC68HC908MR8CP Datasheet - Page 111

• Manufacturer Part Number: MC68HC908MR8CP
• Description: IC MCU 8K FLASH 8MHZ PWM 28-DIP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908MR8CP

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 12
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Technical Data — MC68HC908MR8
8.1 Contents
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
8.2
8.3
8.4
8.4.1
8.4.2
8.4.3
8.4.4
8.5
8.5.1
8.5.2
8.5.3
8.5.4
8.5.5
8.5.6
8.5.7
8.5.8
8.6
8.6.1
8.6.2
8.6.3
8.7
8.8
8.9
8.10
8.11
8.11.1
8.11.2
Section 8. Clock Generator Module (CGM)
Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112
Functional Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
CGM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .125
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133
CGM During Break Mode . . . . . . . . . . . . . . . . . . . . . . . . . . .133
Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . .134
I/O Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Crystal Oscillator Circuit . . . . . . . . . . . . . . . . . . . . . . . . .113
Phase-Locked Loop Circuit (PLL). . . . . . . . . . . . . . . . . .115
Base Clock Selector Circuit . . . . . . . . . . . . . . . . . . . . . .121
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . .122
CGM External Connections . . . . . . . . . . . . . . . . . . . . . . .122
Crystal Amplifier Output Pin (OSC2) . . . . . . . . . . . . . . .123
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . .123
PLL Analog Power Pin (V
Oscillator Enable Signal (SIMOSCEN) . . . . . . . . . . . . . .124
Crystal Output Frequency Signal (CGMXCLK) . . . . . . . 124
CGM Base Clock Output (CGMOUT) . . . . . . . . . . . . . . .124
CGM CPU Interrupt (CGMINT) . . . . . . . . . . . . . . . . . . . . .124
PLL Control Register . . . . . . . . . . . . . . . . . . . . . . . . . . . .126
PLL Bandwidth Control Register . . . . . . . . . . . . . . . . . .129
PLL Programming Register. . . . . . . . . . . . . . . . . . . . . . .131
Acquisition/Lock Time Definitions . . . . . . . . . . . . . . . . .134
Parametric Influences on Reaction Time . . . . . . . . . . . .135
Clock Generator Module (CGM)
DDA
) . . . . . . . . . . . . . . . . . . . . .124
Technical Data
111