S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 364
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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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XET512J3VALR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 10 XGATE (S12XGATEV3)
10.3.1.6
The XGISP31 register is intended to point to the stack region that is used by XGATE channels of priority
3 to 1. Every time a thread of such priority is started, RISC core register R7 will be initialized with the
content of XGISP31.
Module Base +0x0006
Read: Anytime
Write: Only if XGATE requests are disabled (XGE = 0) and idle (XGCHID = $00))
10.3.1.7
The Vector Base Address Register
Section Figure 10-23., “XGATE Vector
Module Base +0x0006
Read: Anytime
Write: Only if XGATE requests are disabled (XGE = 0) and idle (XGCHID = $00))
364
Reset
Reset
XBISP74[15:1]
XBISP31[15:1]
W
W
R
R
Field
15–1
Field
15–1
15
15
0
1
XGATE Initial Stack Pointer for Interrupt Priorities 3 to 1 (XGISP31)
XGATE Vector Base Address Register (XGVBR)
Figure 10-8. XGATE Initial Stack Pointer for Interrupt Priorities 3 to 1 (XGISP31)
Initial Stack Pointer— The XGISP74 register holds the initial value of RISC core register R7, for threads of
priority 7 to 4.
Initial Stack Pointer— The XGISP31 register holds the initial value of RISC core register R7, for threads of
priority 3 to 1.
14
14
0
1
= Unimplemented or Reserved
= Unimplemented or Reserved
13
13
0
1
Figure 10-9. XGATE Vector Base Address Register (XGVBR)
12
12
0
1
MC9S12XE-Family Reference Manual Rev. 1.25
11
11
Table 10-7. XGISP74 Field Descriptions
0
Table 10-8. XGISP31 Field Descriptions
1
(Figure
10
10
0
1
Block).
10-9) determines the location of the XGATE vector block (see
0
1
9
9
XGISP31[15:1]
XGVBR[15:1]
0
0
8
8
Description
Description
0
0
7
7
6
0
6
0
0
0
5
5
0
0
4
4
0
0
3
3
Freescale Semiconductor
0
0
2
2
1
0
1
0
0
0
0
0
0
0
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