dsp56857 Freescale Semiconductor, Inc, dsp56857 Datasheet - Page 8

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

8
1. Specifically for PLL, OSC, and POR.
2. Alternate pin functions are shown in parentheses.
Interrupt /
Interface
Program
Power
Module
Control
Analog
Power
Power
Select
Timer
Logic
Chip
Host
I/O
1
MODE A, MODE B, MODE C
TIO0 - TIO3 (GPIOG0 - G3)
HA0 - HA2 (GPIOB8 - B10)
HREQ (HTRQ) (GPIOB14)
HACK (HRRQ) (GPIOB15)
HD0 - HD7 (GPIOB0 - B7)
CS0 - CS3 (GPIOA0 - A3)
Figure 2-1 56857 Signals Identified by Functional Group
HRWB (HRD) (GPIOB11)
HDS (HWR) (GPIOB12)
HCS (GPIOB13)
(GPIOH0 - H2)
RESET
RSTO
V
V
IRQA
IRQB
V
V
DDIO
SSIO
V
V
DDA
SSA
DD
SS
56857 Technical Data, Rev. 6
8
5
1
2
4
1
1
1
1
4
1
1
1
1
1
12
12
8
3
3
56857
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
TXDO (GPIOE1)
RXDO (GPIOE0)
RXD1 (GPIOE2)
TXD1 (GPIOE3)
STD0 (GPIOC0)
SRD0 (GPIOC1)
SCK0 (GPIOC2)
SC00 (GPIOC3)
SC01 (GPIOC4)
SC02 (GPIOC5)
STD1 (GPIOD0)
SRD1 (GPIOD1)
SCK1 (GPIOD2)
SC10 (GPIOD3)
SC11 (GPIOD4)
SC12 (GPIOD5)
MISO (GPIOF0)
MOSI (GPIOF1)
SCK (GPIOF2)
SS (GPIOF3)
XTAL
EXTAL
CLKO
TCK
TDO
TRST
DE
TDI
TMS
Freescale Semiconductor
2
SCI 0
SCI 2
ESSI 0
ESSI 1
SPI
PLL /
Clock
JTAG /
Enhanced
OnCE