S9S12GN16F0VLF Freescale Semiconductor, S9S12GN16F0VLF Datasheet - Page 293
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S9S12GN16F0VLF
Manufacturer Part Number
S9S12GN16F0VLF
Description
16-bit Microcontrollers - MCU 16-bit16k Flash 2k RAM
Manufacturer
Freescale Semiconductor
Datasheet
1.S9S12G96F0CLL.pdf
(1292 pages)
Specifications of S9S12GN16F0VLF
Rohs
yes
Core
S12
Processor Series
MC9S12G
Data Bus Width
16 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
16 KB
Data Ram Size
1024 B
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
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Register Global Address 0x3_FF06
Read: All modes through BDM operation when not secured
Write: All modes through BDM operation when not secured
When entering background debug mode, the BDM CCR holding register is used to save the condition code
register of the user’s program. It is also used for temporary storage in the standard BDM firmware mode.
The BDM CCR holding register can be written to modify the CCR value.
7.3.2.2
Register Global Address 0x3_FF08
Read: All modes through BDM operation when not secured
Write: All modes through BDM operation when not secured
Freescale Semiconductor
Special Single-Chip Mode
BPP[3:0]
Reset
BPAE
Field
3–0
7
W
R
All Other Modes
BPAE
BDM Program Page Access Enable Bit — BPAE enables program page access for BDM hardware and
firmware read/write instructions The BDM hardware commands used to access the BDM registers (READ_BD
and WRITE_BD) can not be used for program page accesses even if the BPAE bit is set.
0 BDM Program Paging disabled
1 BDM Program Paging enabled
BDM Program Page Index Bits 3–0 — These bits define the selected program page. For more detailed
information regarding the program page window scheme, please refer to the S12S_MMC Block Guide.
BDM Program Page Index Register (BDMPPR)
7
0
When BDM is made active, the CPU stores the content of its CCR register
in the BDMCCR register. However, out of special single-chip reset, the
BDMCCR is set to 0xD8 and not 0xD0 which is the reset value of the CCR
register in this CPU mode. Out of reset in all other modes the BDMCCR
register is read zero.
Reset
W
R
= Unimplemented, Reserved
CCR7
6
0
0
Figure 7-5. BDM Program Page Register (BDMPPR)
1
0
7
Figure 7-4. BDM CCR Holding Register (BDMCCR)
MC9S12G Family Reference Manual, Rev.1.23
Table 7-4. BDMPPR Field Descriptions
CCR6
1
0
6
5
0
0
CCR5
0
0
5
NOTE
4
0
0
Description
CCR4
0
0
4
BPP3
3
0
CCR3
1
0
3
Background Debug Module (S12SBDMV1)
BPP2
2
0
CCR2
0
0
2
BPP1
1
0
CCR1
0
0
1
BPP0
CCR0
0
0
0
0
0
295
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