dsp56857 Freescale Semiconductor, Inc, dsp56857 Datasheet - Page 11

• Manufacturer Part Number: dsp56857
• Description: Dsp56857 Digital Signal Controller
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Pin No.
Table 3-1 56857 Signal and Package Information for the 100-pin LQFP (Continued)
18
19
55
56
57
58
22
23
24
Signal Name
GPIOA0
GPIOA1
GPIOA2
GPIOA3
GPIOB0
GPIOB1
GPIOB2
V
V
CS0
CS1
CS2
CS3
HD0
HD1
HD2
SSA
SSA
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Input/Output
Output
Output
Output
Output
Input
Input
Input
Type
V
SSA
56857 Technical Data, Rev. 6
Analog Ground (V
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.
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.
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.
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.
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.
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.
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.
SSA
)—This pin supplies an analog ground.
Description
Introduction
11