DSP56857 View Datasheet(PDF) - Freescale Semiconductor
Part Name
Description
Manufacturer
DSP56857 Datasheet PDF : 53 Pages
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Introduction
Table 3-1 56857 Signal and Package Information for the 100-pin LQFP (Continued)
Pin No. Signal Name
Type
Description
18
VSSA
19
VSSA
55
CS0
VSSA
Analog Ground (VSSA)—This pin supplies an analog ground.
Output
External Chip Select (CS0)—This pin is used as a dedicated GPIO.
GPIOA0
Input/Output
Port A GPIO (0)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
56
CS1
Output
External Chip Select (CS1)—This pin is used as a dedicated GPIO.
GPIOA1
Input/Output
Port A GPIO (1)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
57
CS2
Output
External Chip Select (CS2)—This pin is used as a dedicated GPIO.
GPIOA2
Input/Output
Port A GPIO (2)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
58
CS3
Output
External Chip Select (CS3)—This pin is used as a dedicated GPIO.
GPIOA3
Input/Output
Port A GPIO (3)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
22
HD0
Input
Host Address (HD0)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
GPIOB0
Input/Output
Port B GPIO (0)—This pin is a General Purpose I/O (GPIO) pin when not
configured for host port usage.
23
HD1
Input
Host Address (HD1)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
GPIOB1
Input/Output
Port B GPIO (1)—This pin is a General Purpose I/O (GPIO) pins when
not configured for host port usage.
24
HD2
Input
Host Address (HD2)—This input provides the address selection for HI
registers.
This pin is disconnected internally.
GPIOB2
Input/Output
Port B GPIO (2)—This pin is a General Purpose I/O (GPIO) pins when
not configured for host port usage.
56857 Technical Data, Rev. 6
Freescale Semiconductor
11
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