MCL908QY2CDTE Freescale Semiconductor, MCL908QY2CDTE Datasheet - Page 103
MCL908QY2CDTE
Manufacturer Part Number
MCL908QY2CDTE
Description
IC MCU 8BIT 1.5K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCL908QY2CDWE.pdf
(182 pages)
Specifications of MCL908QY2CDTE
Core Processor
HC08
Core Size
8-Bit
Speed
2MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
1.5KB (1.5K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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Chapter 13
System Integration Module (SIM)
13.1 Introduction
This section describes the system integration module (SIM), which supports up to 24 external and/or
internal interrupts. Together with the central processor unit (CPU), the SIM controls all microcontroller unit
(MCU) activities. A block diagram of the SIM is shown in
that coordinates CPU and exception timing.
The SIM is responsible for:
13.2 RST and IRQ Pins Initialization
RST and IRQ pins come out of reset as PTA3 and PTA2 respectively. RST and IRQ functions can be
activated by programing CONFIG2 accordingly. Refer to
Freescale Semiconductor
•
•
•
•
Signal Name
Address bus
BUSCLKX4
BUSCLKX2
PORRST
Data bus
Bus clock generation and control for CPU and peripherals
–
–
Master reset control, including power-on reset (POR) and computer operating properly (COP)
timeout
Interrupt control:
–
–
–
CPU enable/disable timing
IRST
R/W
Stop/wait/reset/break entry and recovery
Internal clock control
Acknowledge timing
Arbitration control timing
Vector address generation
Buffered clock from the internal, RC or XTAL oscillator circuit.
The BUSCLKX4 frequency divided by two. This signal is again divided by two in the SIM to
generate the internal bus clocks (bus clock = BUSCLKX4 ÷ 4).
Internal address bus
Internal data bus
Signal from the power-on reset module to the SIM
Internal reset signal
Read/write signal
MC68HLC908QY/QT Family Data Sheet, Rev. 3
Table 13-1. Signal Name Conventions
Figure
Chapter 5 Configuration Register
Description
13-1. The SIM is a system state controller
(CONFIG).
103
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