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参数资料
| 型号： | ST92163N4G0V |
| 厂商： | 意法半导体 |
| 英文描述： | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| 中文描述： | 16位产品全速USB微控制器16端点，20,000光盘和2K的RAM，I2C和脊髓损伤的复合设备， |
| 文件页数： | 32/224页 |
| 文件大小： | 1372K |
| 代理商： | ST92163N4G0V |
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ST92163 - DEVICE ARCHITECTURE
SYSTEM REGISTERS
(Cont’d)
If the bit is set, data is accessed using the Data
Pointers (DPRs registers), otherwise it is pointed
to by the Code Pointer (CSR register); therefore,
the user initialization routine must include a
Sdm
instruction. Note that code is always pointed to by
the Code Pointer (CSR).
Note:
In the ST9+, the DP flag is only for compat-
ibility with software developed for the first genera-
tion of ST9 devices. With the single memory ad-
dressing space, its use is now redundant. It must
be kept to 1 with a
Sdm
instruction at thebeginning
of the program toensure a normal use of thediffer-
ent memory pointers.
2.3.3 Register Pointing Techniques
Two registers within the System register group,
are used as pointers to the working registers. Reg-
ister Pointer 0 (R232) maybe used on its ownas a
single pointer to a 16-register working space, or in
conjunction with Register Pointer 1 (R233), to
point to two separate 8-register spaces.
For thepurpose of register pointing, the 16 register
groups of the register file are subdivided into 32 8-
register blocks. The values specified with the Set
Register Pointer instructions refer to the blocks to
be pointedto in twin 8-register mode, or to the low-
er 8-register block location in single 16-register
mode.
The Set Register Pointer instructions
srp
,
srp0
and
srp1
automatically inform the CPU whether
the Register File is to operate in single 16-register
mode or in twin 8-register mode. The
srp
instruc-
tion selects the single 16-register group mode and
specifies the location of the lower 8-register block,
while the
srp0
and
srp1
instructions automatical-
ly select the twin 8-register group modeand spec-
ify the locations of each 8-register block.
There is no limitation on the order or position of
these register groups, other than that they must
start on an 8-register boundary in twin 8-register
mode, or on a 16-register boundary in single 16-
register mode.
The block number should always be an even
number in single 16-register mode. The 16-regis-
ter group will always start at the block whose
number is the nearest even number equal to or
lower than the block number specified in the
srp
instruction. Avoid using odd block numbers, since
this can be confusing if twin mode is subsequently
selected.
Thus:
srp #3
will be interpreted as
srp #2
and will al-
low using R16 ..R31 as r0 .. r15.
In single 16-register mode, the working registers
are referred to as
r0
to
r15
. In twin 8-register
mode, registers
r0
to
r7
are in the block pointed
to by RP0 (by means of the
srp0
instruction),
while registers
r8
to
r15
are in the block pointed
to by RP1 (by means of the
srp1
instruction).
Caution
: Group D registers can only be accessed
as working registers using the Register Pointers,
or by means of the Stack Pointers. They cannot be
addressed explicitly in the form “
Rxxx
”.
相关PDF资料 |
PDF描述 |
|---|---|
| ST92163R4G0V | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163R4T1V | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92E163R4T1V | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92T163R4T1V | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163R4B0 | 8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
相关代理商/技术参数 |
参数描述 |
|---|---|
| ST92163N4G1 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163N4G1E | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163N4G1L | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163N4G1V | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT |
| ST92163R4 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS. 20K ROM. 2K RAM. I 2 C. SCI. & MFT |
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