MC68HC908AS60CFN Freescale Semiconductor, MC68HC908AS60CFN Datasheet - Page 134

• Manufacturer Part Number: MC68HC908AS60CFN
• Description: IC MCU 60K FLASH 8MHZ 52-PLCC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AS60CFN

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8.4MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 40
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 1K x 8
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 15x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 52-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

System Integration Module (SIM)
9.2 Introduction
Technical Data
9.8
9.8.1
9.8.2
9.8.3
This section describes the system integration module (SIM), which
supports up to 32 external and/or internal interrupts. Together with the
central processor unit (CPU), the SIM controls all MCU activities. The
SIM is a system state controller that coordinates CPU and exception
timing. A block diagram of the SIM is shown in
a summary of the SIM input/output (I/O) registers.
The SIM is responsible for:
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Bus clock generation and control for CPU and peripherals:
– Stop/wait/reset/break entry and recovery
– Internal clock control
Master reset control, including power-on reset (POR) and
computer operating properly (COP) timeout
Interrupt control:
– Acknowledge timing
– Arbitration control timing
– Vector address generation
CPU enable/disable timing
Modular architecture expandable to 128 interrupt sources
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 151
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . 153
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 154
System Integration Module (SIM)
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Figure
MC68HC908AS60 — Rev. 1.0
9-1.
Figure 9-2
is