co2128-48li-3sp Connect One Ltd., co2128-48li-3sp Datasheet - Page 13

• Manufacturer Part Number: co2128-48li-3sp
• Description: Chip? Co2064, Co2128 And Co2144 Are Full-featured Programmable Ip Communication Controller? Chips That Act As Coprocessors To Offload Security And Ip Connectivity Tasks From Any Host Processor.
• Manufacturer: Connect One Ltd.

Connect One
3.1 Interfaces Summary
3.2 External Interface Multiplexing
Most general purpose IO ports of the device (PIOA, PIOB and PIOC) have been assigned
multiple functions, selected under software control and external configuration pin setup. Up to
two alternative functions and general purpose IO may be assigned to each ex ternal pin. The
selection among the various choices is described in Figure 3-2.
3.2.1 CO2128/CO2144 Configuration Options
Eight different configuration options are possible by selecting the functions available per pin
cluster. Figure 3-2 shows the pin cluster options.
iChip CO2064/CO2128/CO2144 Data Sheet
Interface
symbol
PIOA
PIOB
PIOC
EBI
MII
RMII
HPI
USB Host
USB Device
USART0
USART1
SPI0
SPI1
SC
TWI
ADC
SSC
IRQ
TIMR
Description
General purpose IO pins group A [30:0]
General purpose IO pins group B [30:12] and
[10:0]
General purpose IO pins group C [28:0]
External bus interface
Media independent interface
Reduced media independent interface
Host port interface
USB v2.0 full speed device
USB v2.0 full-speed host
Universal synchronous/asynchronous
receiver transmitter
Universal asynchronous receiver transmitter
Serial peripheral interface 0
Serial peripheral interface 1
Smart card reader interface
Inter-integrated circuit
Analog to digital converter
Synchronous serial controller
Interrupt request
Timer interface
Table 3-1: Summary of Interfaces
Preliminary
Use for connection to
General purpose IO lines
General purpose IO lines
General purpose IO lines
16 bit external memory
(Flash, SRAM, etc)
10/100 BaseT Ethernet PHY
component
10/100 BaseT Ethernet PHY
component
8-bit parallel host processor
12Mbps
12Mbps
USART data terminal/data
set, e.g. serial host
processor
USART data terminal/data
set
Functional Block Diagram
3-2