MC9S08DZ128MLF Freescale Semiconductor, MC9S08DZ128MLF Datasheet - Page 102
![MCU 8BIT 128K FLASH 48-LQFP](/photos/37/62/376254/lqfp-48_sml.jpg)
MC9S08DZ128MLF
Manufacturer Part Number
MC9S08DZ128MLF
Description
MCU 8BIT 128K FLASH 48-LQFP
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheets
1.MC9S08DV96CLF.pdf
(458 pages)
2.MC9S08DV96CLF.pdf
(4 pages)
3.MC9S08DZ128CLF.pdf
(4 pages)
Specifications of MC9S08DZ128MLF
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, I²C, LIN, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 16x12b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
48-LQFP
Processor Series
S08DZ
Core
HCS08
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
CAN/I2C/SPI/UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
87
Number Of Timers
3
Operating Supply Voltage
5.5 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWS08
Development Tools By Supplier
DEMO9S08DZ60
Minimum Operating Temperature
- 40 C
On-chip Adc
24-ch x 12-bit
Controller Family/series
HCS08
No. Of I/o's
40
Eeprom Memory Size
2KB
Ram Memory Size
8KB
Cpu Speed
40MHz
No. Of Timers
3
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
A/d Bit Size
12 bit
A/d Channels Available
16
Height
1.4 mm
Length
7 mm
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
7 mm
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC9S08DZ128MLF
Manufacturer:
ST
Quantity:
224
Company:
Part Number:
MC9S08DZ128MLF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 6 Parallel Input/Output Control
It is a good programming practice to write to the port data register before changing the direction of a port
pin to become an output. This ensures that the pin will not be driven momentarily with an old data value
that happened to be in the port data register.
6.2
Associated with the parallel I/O ports is a set of registers located in the high page register space that operate
independently of the parallel I/O registers. These registers are used to control pull-ups, slew rate, and drive
strength for the pins.
An internal pull-up device can be enabled for each port pin by setting the corresponding bit in the pull-up
enable register (PTxPEn). The pull-up device is disabled if the pin is configured as an output by the parallel
I/O control logic or any shared peripheral function regardless of the state of the corresponding pull-up
enable register bit. The pull-up device is also disabled if the pin is controlled by an analog function.
Slew rate control can be enabled for each port pin by setting the corresponding bit in the slew rate control
register (PTxSEn). When enabled, slew control limits the rate at which an output can transition in order to
reduce EMC emissions. Slew rate control has no effect on pins that are configured as inputs.
An output pin can be selected to have high output drive strength by setting the corresponding bit in the
drive strength select register (PTxDSn). When high drive is selected, a pin is capable of sourcing and
sinking greater current. Even though every I/O pin can be selected as high drive, the user must ensure that
the total current source and sink limits for the MCU are not exceeded. Drive strength selection is intended
to affect the DC behavior of I/O pins. However, the AC behavior is also affected. High drive allows a pin
102
Pull-up, Slew Rate, and Drive Strength
Slew rate reset default values may differ between engineering samples and
final production parts. Always initialize slew rate control to the desired
value to ensure correct operation.
Port Read
BUSCLK
Data
Figure 6-1. Parallel I/O Block Diagram
MC9S08DZ128 Series Data Sheet, Rev. 1
PTxDDn
D
D
PTxDn
Q
Q
NOTE
1
0
Synchronizer
Output Enable
Output Data
Freescale Semiconductor
Input Data
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