S9S12G240F0CLFR Freescale Semiconductor, S9S12G240F0CLFR Datasheet - Page 599
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S9S12G240F0CLFR
Manufacturer Part Number
S9S12G240F0CLFR
Description
16-bit Microcontrollers - MCU 16BIT 240KB FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12G240F0CLFR
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
240 KB
Data Ram Size
4 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-48
Mounting Style
SMD/SMT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S9S12G240F0CLFR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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1
18.3.2.9
The CANTARQ register allows abort request of queued messages as described below.
1
Freescale Semiconductor
Module Base + 0x0008
ABTRQ[2:0]
TXEIE[2:0]
Read: Anytime
Write: Anytime when not in initialization mode
Read: Anytime
Write: Anytime when not in initialization mode
Field
Field
2-0
2-0
Reset:
W
R
Transmitter Empty Interrupt Enable
0 No interrupt request is generated from this event.
1 A transmitter empty (transmit buffer available for transmission) event causes a transmitter empty interrupt
Abort Request — The CPU sets the ABTRQx bit to request that a scheduled message buffer (TXEx = 0) be
aborted. The MSCAN grants the request if the message has not already started transmission, or if the
transmission is not successful (lost arbitration or error). When a message is aborted, the associated TXE (see
Section 18.3.2.7, “MSCAN Transmitter Flag Register
Section 18.3.2.10, “MSCAN Transmitter Message Abort Acknowledge Register
transmit interrupt occurs if enabled. The CPU cannot reset ABTRQx. ABTRQx is reset whenever the associated
TXE flag is set.
0 No abort request
1 Abort request pending
Figure 18-12. MSCAN Transmitter Message Abort Request Register (CANTARQ)
MSCAN Transmitter Message Abort Request Register (CANTARQ)
request.
The CANTIER register is held in the reset state when the initialization mode
is active (INITRQ = 1 and INITAK = 1). This register is writable when not
in initialization mode (INITRQ = 0 and INITAK = 0).
The CANTARQ register is held in the reset state when the initialization
mode is active (INITRQ = 1 and INITAK = 1). This register is writable when
not in initialization mode (INITRQ = 0 and INITAK = 0).
0
0
7
= Unimplemented
Table 18-15. CANTARQ Register Field Descriptions
Table 18-14. CANTIER Register Field Descriptions
6
0
0
MC9S12G Family Reference Manual, Rev.1.23
0
0
5
NOTE
NOTE
4
0
0
Description
Description
Freescale’s Scalable Controller Area Network (S12MSCANV3)
(CANTFLG)”) and abort acknowledge flags (ABTAK, see
0
0
3
ABTRQ2
2
0
(CANTAAK)”) are set and a
ABTRQ1
Access: User read/write
0
1
ABTRQ0
0
0
601
1
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