S9S12GN16F0VLF Freescale Semiconductor, S9S12GN16F0VLF Datasheet - Page 248
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S9S12GN16F0VLF
Manufacturer Part Number
S9S12GN16F0VLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0VLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
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Port Integration Module (S12GPIMV1)
2.5.2.3
This register defines whether the pin is used as an general-purpose input or an output.
If a peripheral module controls the pin the contents of the data direction register is ignored
Independent of the pin usage with a peripheral module this register determines the source of data when
reading the associated data register address (2.5.2.1/2-249).
2.5.2.4
This register turns on a pullup or pulldown device on the related pins determined by the associated polarity
select register (2.5.2.5/2-250).
The pull device becomes active only if the pin is used as an input or as a wired-or output. Some peripheral
module only allow certain configurations of pull devices to become active. Refer to
Routing - Functional
2.5.2.5
This register selects either a pullup or pulldown device if enabled.
It becomes only active if the pin is used as an input. A pullup device can be activated if the pin is used as
a wired-or output.
250
Data Direction Register (DDRx)
Pull Device Enable Register (PERx)
Pin Polarity Select Register (PPSx)
Due to internal synchronization circuits, it can take up to 2 bus clock cycles
until the correct value is read on port data or port input registers, when
changing the data direction register.
description”.
Module
Figure 2-64. Illustration of I/O pin functionality
DDR
PTI
PT
MC9S12G Family Reference Manual,
data out
output enable
module enable
0
1
1
1
NOTE
0
0
Rev.1.23
PIN
Section 2.3, “PIM
Freescale Semiconductor
(Figure
2-64).
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