ST18AU1_DS View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST18AU1_DS' PDF : 87 Pages View PDF
Figure 4.2 Host interface data exchange, send mode
ST18-AU1
HCL
HDA
msb 6 5 4 3 2 1 lsb ack msb 6 5 4 3 2 1 lsb
byte 0
byte 1 .....
HSER
HDA
msb
HSER
lsb
HDA
msb
lsb
16-bit
HDR
byte 0
byte 1
(msb)
(lsb)
16-bit
YD
(16-bit words)
8-bit
HDR
byte 0
8-bit
(msb)
YD
(8-bit words)
HCR: Host control register
All bits are cleared on reset.
15 14 13 12
11
10 9 8 7 6 5 4 3 2
10
- - - BER- ACK- STOPI- - HTIEN - - - - - ACK- WS HEN
RIEN FIEN EN
OFF
Bit
HEN
WS
ACKOFF
Function
Host interface enable
0
host interface disabled
1
host interface enabled
Word size
0
8-bit word
1
16-bit word
Acknowledge generation disable
0
acknowledge enabled
1
acknowledge disabled
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