MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 141

• Manufacturer Part Number: MC68HC908SR12CFA
• Description: MICROCONTROLLER 48 PIN
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908SR12CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: I²C, SCI
• Peripherals: LVD, POR, PWM, Temp Sensor
• Number Of I /o: 31
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 14x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: Q1145673

9.1 Contents
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
Freescale Semiconductor
Data Sheet — MC68HC908SR12•MC68HC08SR12
Section 9. System Integration Module (SIM)
9.2
9.3
9.3.1
9.3.2
9.3.3
9.4
9.4.1
9.4.2
9.4.2.1
9.4.2.2
9.4.2.3
9.4.2.4
9.4.2.5
9.4.2.6
9.5
9.5.1
9.5.2
9.5.3
9.6
9.6.1
9.6.1.1
9.6.1.2
9.6.1.3
9.6.1.4
9.6.1.5
9.6.1.6
9.6.2
9.6.3
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
SIM Bus Clock Control and Generation . . . . . . . . . . . . . . . . . 144
Reset and System Initialization. . . . . . . . . . . . . . . . . . . . . . . . 146
SIM Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Exception Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Bus Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Clock Start-up from POR or LVI Reset. . . . . . . . . . . . . . . . 145
Clocks in Stop Mode and Wait Mode . . . . . . . . . . . . . . . . . 146
External Pin Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Active Resets from Internal Sources . . . . . . . . . . . . . . . . . 147
SIM Counter During Power-On Reset . . . . . . . . . . . . . . . . 151
SIM Counter During Stop Mode Recovery . . . . . . . . . . . . . 151
SIM Counter and Reset States. . . . . . . . . . . . . . . . . . . . . . 151
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Break Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
System Integration Module (SIM)
Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148
Computer Operating Properly (COP) Reset. . . . . . . . . . 149
Illegal Opcode Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Illegal Address Reset . . . . . . . . . . . . . . . . . . . . . . . . . . .150
Low-Voltage Inhibit (LVI) Reset . . . . . . . . . . . . . . . . . . . 150
Monitor Mode Entry Module Reset. . . . . . . . . . . . . . . . . 150
Hardware Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
SWI Instruction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Interrupt Status Registers . . . . . . . . . . . . . . . . . . . . . . .155
Interrupt Status Register 1 . . . . . . . . . . . . . . . . . . . . . . . 155
Interrupt Status Register 2 . . . . . . . . . . . . . . . . . . . . . . . 157
Interrupt Status Register 3 . . . . . . . . . . . . . . . . . . . . . . . 157
Data Sheet
141