MC9S08GT32CFDER Freescale Semiconductor, MC9S08GT32CFDER Datasheet - Page 84
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MC9S08GT32CFDER
Manufacturer Part Number
MC9S08GT32CFDER
Description
IC MCU 32K FLASH 2K RAM 48-QFN
Manufacturer
Freescale Semiconductor
Series
HCS08r
Datasheet
1.M68EVB908GB60E.pdf
(290 pages)
Specifications of MC9S08GT32CFDER
Core Processor
HCS08
Core Size
8-Bit
Speed
40MHz
Connectivity
I²C, SCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
39
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
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
48-QFN
For Use With
M68DEMO908GB60E - BOARD DEMO MC9S08GB60M68EVB908GB60E - BOARD EVAL FOR MC9S08GB60
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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- Download datasheet (2Mb)
Chapter 6 Parallel Input/Output
6.5
Depending on the stop mode, I/O functions differently as the result of executing a STOP instruction. An
explanation of I/O behavior for the various stop modes follows:
6.6
This section provides information about all registers and control bits associated with the parallel I/O ports.
Refer to tables in
This section refers to registers and control bits only by their names. A Freescale-provided equate or header
file normally is used to translate these names into the appropriate absolute addresses.
6.6.1
Port A includes eight pins shared between general-purpose I/O and the KBI module. Port A pins used as
general-purpose I/O pins are controlled by the port A data (PTAD), data direction (PTADD), pullup enable
(PTAPE), and slew rate control (PTASE) registers.
If the KBI takes control of a port A pin, the corresponding PTASE bit is ignored since the pin functions as
an input. As long as PTADD is 0, the PTAPE controls the pullup enable for the KBI function. Reads of
PTAD will return the logic value of the corresponding pin, provided PTADD is 0.
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When the MCU enters stop1 mode, all internal registers including general-purpose I/O control and
data registers are powered down. All of the general-purpose I/O pins assume their reset state:
output buffers and pullups turned off. Upon exit from stop1, all I/O must be initialized as if the
MCU had been reset.
When the MCU enters stop2 mode, the internal registers are powered down as in stop1 but the I/O
pin states are latched and held. For example, a port pin that is an output driving low continues to
function as an output driving low even though its associated data direction and output data registers
are powered down internally. Upon exit from stop2, the pins continue to hold their states until a 1
is written to the PPDACK bit. To avoid discontinuity in the pin state following exit from stop2, the
user must restore the port control and data registers to the values they held before entering stop2.
These values can be stored in RAM before entering stop2 because the RAM is maintained during
stop2.
In stop3 mode, all I/O is maintained because internal logic circuity stays powered up. Upon
recovery, normal I/O function is available to the user.
Stop Modes
Parallel I/O Registers and Control Bits
Port A Registers (PTAD, PTAPE, PTASE, and PTADD)
Chapter 4,
“Memory” for the absolute address assignments for all parallel I/O registers.
MC9S08GB/GT Data Sheet, Rev. 2.3
Freescale Semiconductor
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