HFC-4S Cologne Chip AG, HFC-4S Datasheet - Page 84

• Manufacturer Part Number: HFC-4S
• Description: Isdn HDLC Fifo Controller With 8 (4) Integrated S/t Interfaces
• Manufacturer: Cologne Chip AG

HFC-4S
HFC-8S
/SPISEL
84 of 273
/SPISEL
SPICLK
SPICLK
SPI_RX
SPI_RX
SPI_TX
SPI_TX
R/W A/D
R/W
A/D
1st_byte
1st_byte
Figure 2.23: Interrupted SPI read access
6 bit low
Universal external bus interface
6 bit low
Figure 2.22: SPI write access
Data Sheet
interruption
D7
D6
D7
D5
D6
D5
2nd_byte
D4
2nd_byte
D4
D3
D3
March 2003 (rev. A)
D2
D2
D1
D1
Cologne
Chip
D0
D0