MC9S08SH4CTG Freescale, MC9S08SH4CTG Datasheet - Page 31
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MC9S08SH4CTG
Manufacturer Part Number
MC9S08SH4CTG
Description
Manufacturer
Freescale
Datasheet
1.MC9S08SH4CTG.pdf
(338 pages)
Specifications of MC9S08SH4CTG
Cpu Family
HCS08
Device Core Size
8b
Frequency (max)
40MHz
Interface Type
I2C/SCI/SPI
Total Internal Ram Size
256Byte
# I/os (max)
13
Number Of Timers - General Purpose
1
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
16
Package Type
TSSOP
Program Memory Type
Flash
Program Memory Size
4KB
Lead Free Status / RoHS Status
Compliant
Available stocks
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MC9S08SH4CTG
Manufacturer:
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Chapter 3
Modes of Operation
3.1
The operating modes of the MC9S08SH8 are described in this chapter. Entry into each mode, exit from
each mode, and functionality while in each of the modes are described.
3.2
3.3
This is the normal operating mode for the MC9S08SH8. This mode is selected upon the MCU exiting reset
if the BKGD/MS pin is high. In this mode, the CPU executes code from internal memory with execution
beginning at the address fetched from memory at 0xFFFE–0xFFFF after reset.
3.4
The active background mode functions are managed through the background debug controller (BDC) in
the HCS08 core. The BDC, together with the on-chip debug module (DBG), provide the means for
analyzing MCU operation during software development.
Active background mode is entered in any of the following ways:
After entering active background mode, the CPU is held in a suspended state waiting for serial background
commands rather than executing instructions from the user application program.
Freescale Semiconductor
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•
•
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Active background mode for code development
Wait mode — CPU shuts down to conserve power; system clocks are running and full regulation
is maintained
Stop modes — System clocks are stopped and voltage regulator is in standby
— Stop3 — All internal circuits are powered for fast recovery
— Stop2 — Partial power down of internal circuits, RAM content is retained
When the BKGD/MS pin is low during POR or immediately after issuing a background debug
force reset (see
When a BACKGROUND command is received through the BKGD/MS pin
When a BGND instruction is executed
When encountering a BDC breakpoint
When encountering a DBG breakpoint
Introduction
Features
Run Mode
Active Background Mode
Section 5.7.3, “System Background Debug Force Reset Register
MC9S08SH8 MCU Series Data Sheet, Rev. 3
(SBDFR)”)
31
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