56858 Technical Data, Rev. 6
8
Freescale Semiconductor
Figure 2-1 56858 Signals Identified by Functional Group2
1. Specifically for PLL, OSC, and POR.
2. Alternate pin functions are shown in parentheses. Pin direction/type is represented as the preferred functionality. GPIO may provide
bidirectional use of any pin.
56858
Logic
Power
I/O
Power
SCI 0
JTAG /
Enhanced
OnCE
Timer
Module
ESSI 0
SPI
Chip
Select
Address
Bus
Analog
Power1
PLL /
Clock
Host
Interface
SCI 2
ESSI 1
Interrupt /
Program
Control
VDD
VSS
VDDIO
VSSIO
VDDA
VSSA
A0 - A20
RD
D0 - D15
WR
CS0 - CS3 (GPIOA0 - A3)
HD0 - HD7 (GPIOB0 - B7)
HA0 - HA2 (GPIOB8 - B10)
HRWB (HRD) (GPIOB11)
HDS (HWR) (GPIOB12)
HCS (GPIOB13)
HREQ (HTRQ) (GPIOB14)
HACK (HRRQ) (GPIOB15)
TIO0 - TIO3 (GPIOG0 - G3)
IRQA
IRQB
MODA, MODB, MODC
(GPIOH0 - H2)
RESET
RSTO
RXDO (GPIOE0)
TXDO (GPIOE1)
RXD1 (GPIOE2)
TXD1 (GPIOE3)
STD0 (GPIOC0)
SRD0 (GPIOC1)
SCK0 (GPIOC2)
SC00 (GPIOC3)
SC01 (GPIOC4)
SC02 (GPIOC5)
MISO (GPIOF0)
MOSI (GPIOF1)
SCK (GPIOF2)
SS (GPIOF3)
STD1 (GPIOD0)
SRD1 (GPIOD1)
SCK1 (GPIOD2)
SC10 (GPIOD3)
SC11 (GPIOD4)
SC12 (GPIOD5)
EXTAL
CLKO
TCK
TDI
TDO
TMS
TRST
DE
1
3
1
4
1
3
8
4
1
16
21
2
1
14
12
8
XTAL