MC68HC908SR12CFA Freescale Semiconductor, MC68HC908SR12CFA Datasheet - Page 142

• 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

System Integration Module (SIM)
9.2 Introduction
Data Sheet
142
9.6.4
9.7
9.7.1
9.7.2
9.8
9.8.1
9.8.2
9.8.3
This section describes the system integration module (SIM). Together
with the CPU, the SIM controls all MCU activities. A block diagram of the
SIM is shown in
input/output (I/O) registers. The SIM is a system state controller that
coordinates CPU and exception timing. The SIM is responsible for:
Table 9-1
•
•
•
•
•
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 COP
timeout
Interrupt control:
– Acknowledge timing
– Arbitration control timing
– Vector address generation
CPU enable/disable timing
Modular architecture expandable to 128 interrupt sources
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 158
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 162
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . 163
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 164
System Integration Module (SIM)
shows the internal signal names used in this section.
Figure
9-1.
Table 9-1
MC68HC908SR12•MC68HC08SR12 — Rev. 5.0
is a summary of the SIM
Freescale Semiconductor