MC9S12E128CFU Freescale Semiconductor, MC9S12E128CFU Datasheet - Page 447
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MC9S12E128CFU
Manufacturer Part Number
MC9S12E128CFU
Description
IC MCU 128K FLASH 25MHZ 80-QFP
Manufacturer
Freescale Semiconductor
Series
HCS12r
Specifications of MC9S12E128CFU
Core Processor
HCS12
Core Size
16-Bit
Speed
25MHz
Connectivity
EBI/EMI, I²C, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
60
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.35 V ~ 2.75 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-QFP
Data Bus Width
16 bit
Data Ram Size
8 KB
Interface Type
SCI, SPI
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
60
Number Of Timers
16 bit
Operating Supply Voltage
3.135 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
On-chip Dac
8 bit, 2 Channel
For Use With
M68EVB912E128 - BOARD EVAL FOR MC9S12E128/64
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available
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Chapter 15
Background Debug Module (BDMV4)
15.1
This section describes the functionality of the background debug module (BDM) sub-block of the HCS12
core platform.
A block diagram of the BDM is shown in
The background debug module (BDM) sub-block is a single-wire, background debug system implemented
in on-chip hardware for minimal CPU intervention. All interfacing with the BDM is done via the BKGD
pin.
BDMV4 has enhanced capability for maintaining synchronization between the target and host while
allowing more flexibility in clock rates. This includes a sync signal to show the clock rate and a handshake
signal to indicate when an operation is complete. The system is backwards compatible with older external
interfaces.
15.1.1
Freescale Semiconductor
•
•
•
•
•
•
Single-wire communication with host development system
BDMV4 (and BDM2): Enhanced capability for allowing more flexibility in clock rates
BDMV4: SYNC command to determine communication rate
BDMV4: GO_UNTIL command
BDMV4: Hardware handshake protocol to increase the performance of the serial communication
Active out of reset in special single-chip mode
Introduction
Features
SYSTEM
HOST
BDMACT
ENBDM
ENTAG
TRACE
SDV
BKGD
16-BIT SHIFT REGISTER
INSTRUCTION DECODE
Figure 15-1. BDM Block Diagram
MC9S12E128 Data Sheet, Rev. 1.07
AND EXECUTION
STANDARD BDM
LOOKUP TABLE
FIRMWARE
Figure
15-1.
CONTROL LOGIC
BUS INTERFACE
CLKSW
AND
ADDRESS
DATA
CLOCKS
447
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