Introduction
2.5V Power
3.3V Analog Power
3.3V Analog Power
3.3V Power
Ground
Analog Ground
Analog Ground
Ground
V
DD
V
DDA
V
DDA_ADC
V
DDIO
V
SS
V
SSA
V
SSA_ADC
V
SSIO
V
PP
EXTAL
XTAL(CLOCKIN)
CLKO
3
1
1
5
4*
1
1
5
8
8
GPIOB0–7
GPIOD0–7
Dedicated
GPIO
1
1
1
1
1
1
SRD (GPIOC0)
SRFS (GPIOC1)
SRCK (GPIOC2)
STD (GPIOC3)
STFS (GPIOC4)
STCK (GPIOC5)
SSI Port
or GPIO
Other
Supply Port
PLL
and
Clock
External
Address Bus or
GPIO
External Data
Bus or GPIO
1
56F827
1
SCLK (GPIOF4)
MOSI (GPIOF5)
MISO (GPIOF6)
SS (GPIOF7)
SPI1 Port
or GPIO
1
1
1
1
1
1
A0-A15(GPIOA0–15)
16
1
1
TXD0 (SCLK0)
RXD0 (MOSI0)
TXD1 (MISO0)
RXD1 (SS0)
SCI0,SCI1
Port or
SPI0 Port
D0–D15(GPIOG0-15)
16
1
1
PS (PCS0)
External
Bus Control
DS (PCS1)
RD
WR
1
1
1
1
6
1
1
TXD2 (GPIOC6)
RXD2 (GPIOC7)
SCI2 Port
or GPIO
PCS2-7
TA0 (GPIOF0)
Quad Timer A
or GPIO
TA1 (GPIOF1)
TA2 (GPIOF2)
TA3 (GPIOF3)
Programmable
Chip Select
1
1
1
1
10
1
1
1
ANA0–9
VREFN
VREFP
VREFMID
VREFLO
VREFHI
ADC
Port
TCK
TMS
JTAG/OnCE™
Port
TDI
TDO
TRST
DE
1
1
1
1
1
1
1
1
1
1
1
1
IRQA
IRQB
RESET
EXTBOOT
Interrupt/
Program
Control
*
Includes TCS pin, which is reserved for factory use and is tied to VSS
Figure 2-1 56F827 Signals Identified by Functional Group
1
1. Alternate pin functionality is shown in parenthesis.
56F827 Technical Data, Rev. 12
Freescale Semiconductor
9
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
