MC9S08RD32CPE Freescale Semiconductor, MC9S08RD32CPE Datasheet - Page 29
MC9S08RD32CPE
Manufacturer Part Number
MC9S08RD32CPE
Description
IC MCU 32K FLASH 2K RAM 28-DIP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.MC9S08RE8FJE.pdf
(234 pages)
Specifications of MC9S08RD32CPE
Core Processor
HCS08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
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Chapter 3
Modes of Operation
3.1
The operating modes of the MC9S08RC/RD/RE/RG are described in this section. 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 MC9S08RC/RD/RE/RG. This mode is selected when the
BKGD/MS pin is high at the rising edge of reset. In this mode, the CPU executes code from internal
memory with execution beginning at the address fetched from memory at $FFFE:$FFFF 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 five ways:
Freescale Semiconductor
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Active background mode for code development
Wait mode:
— CPU shuts down to conserve power
— System clocks running
— Full voltage regulation maintained
Stop modes:
— System clocks stopped; voltage regulator in standby
— Stop1 — Full power down of internal circuits for maximum power savings
— Stop2 — Partial power down of internal circuits, RAM remains operational
— Stop3 — All internal circuits powered for fast recovery
When the BKGD/MS pin is low at the rising edge of reset
When a BACKGROUND command is received through the BKGD pin
When a BGND instruction is executed
When encountering a BDC breakpoint
When encountering a DBG breakpoint
Introduction
Features
Run Mode
Active Background Mode
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
29
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