S912XEQ512J3CAGR Freescale Semiconductor, S912XEQ512J3CAGR Datasheet - Page 598
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S912XEQ512J3CAGR
Manufacturer Part Number
S912XEQ512J3CAGR
Description
16-bit Microcontrollers - MCU 16 BIT,512K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEQ512J3CAGR.pdf
(1324 pages)
Specifications of S912XEQ512J3CAGR
Rohs
yes
Core
HCS12X
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 kB
Data Ram Size
32 kB
On-chip Adc
Yes
Package / Case
LQFP
Mounting Style
SMD/SMT
Interface Type
CAN/SCI/SPI
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
119
Number Of Timers
25
Program Memory Type
Flash
Supply Voltage - Max
1.98 V, 2.9 V, 5.5 V
Supply Voltage - Min
1.72 V, 2.7 V, 3.13 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XEQ512J3CAGR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 15 Inter-Integrated Circuit (IICV3) Block Description
transfer. In the broadcast, slaves always act as receivers. In general call, IAAS is also used to indicate the
address match.
In order to distinguish whether the address match is the normal address match or the general call address
match, IBDR should be read after the address byte has been received. If the data is $00, the match is
general call address match. The meaning of the general call address is always specified in the first data byte
and must be dealt with by S/W, the IIC hardware does not decode and process the first data byte.
When one byte transfer is done, the received data can be read from IBDR. The user can control the
procedure by enabling or disabling GCEN.
15.4.2
This is the basic mode of operation.
15.4.3
IIC operation in wait mode can be configured. Depending on the state of internal bits, the IIC can operate
normally when the CPU is in wait mode or the IIC clock generation can be turned off and the IIC module
enters a power conservation state during wait mode. In the later case, any transmission or reception in
progress stops at wait mode entry.
15.4.4
The IIC is inactive in stop mode for reduced power consumption. The STOP instruction does not affect IIC
register states.
15.5
The reset state of each individual bit is listed in
which details the registers and their bit-fields.
15.6
IICV3 uses only one interrupt vector.
Internally there are three types of interrupts in IIC. The interrupt service routine can determine the interrupt
type by reading the status register.
IIC Interrupt can be generated on
598
1. Arbitration lost condition (IBAL bit set)
Interrupt
Interrupt
Resets
Interrupts
IIC
Operation in Run Mode
Operation in Wait Mode
Operation in Stop Mode
Offset
—
Vector
—
MC9S12XE-Family Reference Manual Rev. 1.25
Priority
Table 15-12. Interrupt Summary
—
IBAL, TCF, IAAS
bits in IBSR
Section 15.3, “Memory Map and Register
Source
register
When either of IBAL, TCF or IAAS bits is set
may cause an interrupt based on arbitration
lost, transfer complete or address detect
conditions
Description
Freescale Semiconductor
Definition,”
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