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參數(shù)資料
型號： DSP56857BUE
廠商： Freescale Semiconductor
文件頁數(shù)： 3/53頁
文件大?。?/td> 0K
描述： IC DSP 16BIT 120MHZ 100-LQFP
標(biāo)準(zhǔn)包裝： 90
系列： 568xx
核心處理器： 56800E
芯體尺寸： 16-位
速度： 120MHz
連通性： SCI，SPI，SSI
外圍設(shè)備： DMA，POR，WDT
輸入/輸出數(shù)： 47
程序存儲器容量： 80KB（40K x 16）
程序存儲器類型： SRAM
RAM 容量： 24K x 16
電壓 - 電源 (Vcc/Vdd)： 1.62 V ~ 1.98 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 100-LQFP
包裝： 托盤
Introduction
56857 Technical Data, Rev. 6
Freescale Semiconductor
11
18
VSSA
Analog Ground (VSSA)—This pin supplies an analog ground.
19
VSSA
55
CS0
GPIOA0
Output
Input/Output
External Chip Select (CS0)—This pin is used as a dedicated GPIO.
Port A GPIO (0)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
56
CS1
GPIOA1
Output
Input/Output
External Chip Select (CS1)—This pin is used as a dedicated GPIO.
Port A GPIO (1)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
57
CS2
GPIOA2
Output
Input/Output
External Chip Select (CS2)—This pin is used as a dedicated GPIO.
Port A GPIO (2)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
58
CS3
GPIOA3
Output
Input/Output
External Chip Select (CS3)—This pin is used as a dedicated GPIO.
Port A GPIO (3)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
22
HD0
GPIOB0
Input
Input/Output
Host Address (HD0)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
Port B GPIO (0)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
23
HD1
GPIOB1
Input
Input/Output
Host Address (HD1)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
Port B GPIO (1)—This pin is a General Purpose I/O (GPIO) pins when
not configured for host port usage.
24
HD2
GPIOB2
Input
Input/Output
Host Address (HD2)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
Port B GPIO (2)—This pin is a General Purpose I/O (GPIO) pins when
not configured for host port usage.
Table 3-1 56857 Signal and Package Information for the 100-pin LQFP (Continued)
Pin No.
Signal Name
Type
Description
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