S912XEP768J5MAGR Freescale Semiconductor, S912XEP768J5MAGR Datasheet - Page 126
S912XEP768J5MAGR
Manufacturer Part Number
S912XEP768J5MAGR
Description
16-bit Microcontrollers - MCU 16-bit 768K Flash
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XEP768J5MAGR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
768 KB
Data Ram Size
48 KB
On-chip Adc
Yes
Operating Supply Voltage
3.3 V to 5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XEP768J5MAGR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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1. Read: Anytime.
1. Read: Anytime.
Chapter 2 Port Integration Module (S12XEPIMV1)
2.3.30
2.3.31
126
Address 0x0249
Address 0x024A
Write:Never, writes to this register have no effect.
Write: Anytime.
Field
Field
PTIS
PTS
PTS
Reset
Reset
7-0
1
0
W
W
R
R
Port S general purpose input/output data—Data Register
Port S pin 3 is associated with the TXD signal of the SCI0 module.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
Port S general purpose input/output data—Data Register
Port S bits 2 is associated with the RXD signal of the SCI0 module.
When not used with the alternative function, this pin can be used as general purpose I/O.
If the associated data direction bit of this pin is set to 1, a read returns the value of the port register, otherwise the
buffered pin input state is read.
Port S input data—
This register always reads back the buffered state of the associated pins. This can also be used to detect overload
or short circuit conditions on output pins.
DDRS7
PTIS7
Port S Input Register (PTIS)
Port S Data Direction Register (DDRS)
u
0
7
7
= Unimplemented or Reserved
DDRS6
PTIS6
Table 2-26. PTS Register Field Descriptions (continued)
u
0
6
6
Figure 2-29. Port S Data Direction Register (DDRS)
Table 2-27. PTIS Register Field Descriptions
MC9S12XE-Family Reference Manual Rev. 1.25
Figure 2-28. Port S Input Register (PTIS)
DDRS5
PTIS5
u
0
5
5
DDRS4
PTIS4
u
0
4
4
Description
Description
u = Unaffected by reset
DDRS3
PTIS3
3
u
3
0
DDRS2
PTIS2
u
0
2
2
Access: User read/write
Freescale Semiconductor
DDRS1
PTIS1
u
0
1
1
Access: User read
DDRS0
PTIS0
u
0
0
0
(1)
(1)
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