參數資料
型號: MC68332GCPV20
廠商: Freescale Semiconductor
文件頁數: 73/88頁
文件大小: 0K
描述: IC MCU 32BIT 20MHZ GMASK 144LQFP
標準包裝: 60
系列: M683xx
核心處理器: CPU32
芯體尺寸: 32-位
速度: 20MHz
連通性: EBI/EMI,SCI,SPI,UART/USART
外圍設備: POR,PWM,WDT
輸入/輸出數: 15
程序存儲器類型: ROMless
RAM 容量: 2K x 8
電壓 - 電源 (Vcc/Vdd): 4.5 V ~ 5.5 V
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LQFP
包裝: 托盤
MC68332
MOTOROLA
MC68332TS/D
75
SPCR2 contains QSPI configuration parameters. The CPU can read and write this register; the QSM
has read access only. Writes to SPCR2 are buffered. A write to SPCR2 that changes a bit value while
the QSPI is operating is ineffective on the current serial transfer, but becomes effective on the next se-
rial transfer. Reads of SPCR2 return the current value of the register, not of the buffer.
SPIFIE — SPI Finished Interrupt Enable
0 = QSPI interrupts disabled
1 = QSPI interrupts enabled
SPIFIE enables the QSPI to generate a CPU interrupt upon assertion of the status flag SPIF.
WREN — Wrap Enable
0 = Wraparound mode disabled
1 = Wraparound mode enabled
WREN enables or disables wraparound mode.
WRTO — Wrap To
When wraparound mode is enabled, after the end of queue has been reached, WRTO determines
which address the QSPI executes.
Bit 12 — Not Implemented
ENDQP — Ending Queue Pointer
This field contains the last QSPI queue address.
Bits [7:4] — Not Implemented
NEWQP — New Queue Pointer Value
This field contains the first QSPI queue address.
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.
SPCR2 — QSPI Control Register 2
$YFFC1C
15
14
13
12
11
8
7
6
5
4
3
0
SPIFIE
WREN
WRTO
0
ENDQP
0
NEWQP
RESET:
0
SPCR3 — QSPI Control Register 3
$YFFC1E
15
14
13
12
11
10
9
8
7
0
LOOPQ
HMIE
HALT
SPSR
RESET:
0
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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