MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 132

• Manufacturer Part Number: MC68HC908LJ12CFU
• Description: IC MCU 12K FLASH 8MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908LJ12CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: IRSCI, SPI
• Peripherals: LCD, LVD, POR, PWM
• Number Of I /o: 32
• Program Memory Size: 12KB (12K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

System Integration Module (SIM)
9.2 Introduction
Technical Data
132
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
SIM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Status Flag Protection in Break Mode . . . . . . . . . . . . . . . . 148
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150
SIM Break Status Register . . . . . . . . . . . . . . . . . . . . . . . . . 152
SIM Reset Status Register . . . . . . . . . . . . . . . . . . . . . . . . 153
SIM Break Flag Control Register . . . . . . . . . . . . . . . . . . . . 154
System Integration Module (SIM)
shows the internal signal names used in this section.
Figure
9-1.
Table 9-1
is a summary of the SIM
MC68HC908LJ12
Freescale Semiconductor
—
Rev. 2.1