S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 726
S912XET512J3VALR
Manufacturer Part Number
S912XET512J3VALR
Description
16-bit Microcontrollers - MCU 16 BIT,512K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XET512J3VALR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12XE
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 KB
Data Ram Size
32 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-112
Mounting Style
SMD/SMT
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Chapter 20 Serial Communication Interface (S12SCIV5)
20.2
The SCI module has a total of two external pins.
20.2.1
The TXD pin transmits SCI (standard or infrared) data. It will idle high in either mode and is high
impedance anytime the transmitter is disabled.
20.2.2
The RXD pin receives SCI (standard or infrared) data. An idle line is detected as a line high. This input is
ignored when the receiver is disabled and should be terminated to a known voltage.
20.3
This section provides a detailed description of all the SCI registers.
20.3.1
The memory map for the SCI module is given below in
the address offset. The total address for each register is the sum of the base address for the SCI module and
the address offset for each register.
726
External Signal Description
Memory Map and Register Definition
TXD — Transmit Pin
RXD — Receive Pin
Module Memory Map and Register Definition
MC9S12XE-Family Reference Manual Rev. 1.25
Figure
20-2. The address listed for each register is
Freescale Semiconductor
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