參數(shù)資料
型號： MC68HC916X1CTH16
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
封裝： QFP-120
文件頁數(shù)： 15/172頁
文件大小： 1200K
代理商： MC68HC916X1CTH16
MC68HC916X1
MOTOROLA
MC68HC916X1TS/D
111
SPCR3 contains QSPI configuration parameters. The CPU can read and write SPCR3, but the
QSM has read-only access.
Bits [15:11] — Not Implemented
LOOPQ — QSPI Loop Mode
0 = Feedback path disabled
1 = Feedback path enabled
LOOPQ controls feedback on the data serializer for testing.
HMIE — HALTA and MODF Interrupt Enable
0 = HALTA and MODF interrupts disabled
1 = HALTA and MODF interrupts enabled
HMIE controls CPU interrupts caused by the HALTA status flag or the MODF status flag in SPSR.
HALT — Halt
0 = Halt not enabled
1 = Halt enabled
When HALT is asserted, the QSPI stops on a queue boundary. It is in a defined state from which it can
later be restarted.
SPSR contains QSPI status information. Only the QSPI can assert the bits in this register. The CPU
reads this register to obtain status information and writes it to clear status flags.
SPIF — QSPI Finished Flag
0 = QSPI not finished
1 = QSPI finished
SPIF is set after execution of the command at the address in ENDQP[3:0].
MODF — Mode Fault Flag
0 = Normal operation
1 = Another SPI node requested to become the network SPI master while the QSPI was enabled
in master mode (SS input taken low).
The QSPI asserts MODF when the QSPI is the serial master (MSTR = 1) and the SS input pin is negat-
ed by an external driver.
HALTA — Halt Acknowledge Flag
0 = QSPI not halted
1 = QSPI halted
HALTA is asserted when the QSPI halts in response to CPU assertion of HALT.
Bit 4 — Not Implemented
SPCR3 — QSPI Control Register
$YFFC1E
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
LOOPQ HMIE HALT
SPSR
RESET:
0
SPSR — QSPI Status Register
$YFFC1F
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SPCR3
SPIF MODF HALTA
0
CPTQP[3:0]
RESET:
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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相關(guān)PDF資料
PDF描述
MC916X1CTH16B1 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
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MC68HCL05J1ADWR2 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO20
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