HI-6010
8 BIT "ONE BYTE AT A TIME" TRANSMIT USING TXRDY, PIN 9, TO TRIGGER NEXT BYTE LOAD
REC/D CS WE D7
D6
D5
D4
D3
D2
D1
D0
28 27 26 25
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0 P
24
0
23
0
TD7
22
0*
TD6
21
0
TD5
20
0
TD4
19
0
TD3
18
0
TD2
17
1
6
5
3
7
8
9 13
COMMENTS
0 0 X 1 X 1 X Load Control Word
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0 X 0 X TXRDY & TXE Go Low After Load Data
0 X 1 X Monitor Pin 9 to Go High
0 X 0 X After Pin 9 High Then Load Next Byte
0 X 1 X Monitor Pin 9 to Go High
0 X 0 X Load
0 X 1 X Monitor Pin 9 to Go High
0 X 0 X Load
1 X 1 X Transmission Complete
0 P T
D8
0
1
X
TD1
0
X
X
X
X
X
X
X
0
0 P T
D16 TD15 TD14 TD13 TD12 TD11 TD10 TD9
0
0
1
X
X
X
X
X
X
X
X
0
0 P T
D24 TD23 TD22 TD21 TD20 TD19 TD18 TD17
0
0
1
X
X
X
X
X
X
X
X
0
0 P T
D32 TD31 TD30 TD29 TD28 TD27 TD26 TD25
0
1
1
X
X
X
X
X
X
X
X
0
8 BIT "ONE BYTE AT A TIME" TRANSMIT MONITORING STATUS REGISTER BIT 0
REC/D CS WE D7
D6
D5
D4
D3
D2
D1
D0
28 27 26 25
1
1
P
P
1
P
P
1
P
P
1
1
0
0
0
0
0
0
0
0
0
0
0 P
24
0
23
0
TD7
22
0*
TD6
21
0
TD5
20
0
TD4
19
0
TD3
18
0
TD2
17
1
6
0
5
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
7
8
9 13
COMMENTS
1 X 1 X Load Control Word D0 = 1
0 X 0 X Load Data to Transmit - Byte 1
0 X 0 X Status Bits 0, 2 & 7 (
TXRDY, TXE & ERROR)
0 X 1 X Status Bit 0 Goes High
0 X 0 X Load the Next Byte to Transmit
0 X 0 X Monitor Status Bit 0
0 X 1 X Detect a Transition
0 X 0 X Load 3rd Byte
0 X 0 X Monitor Status Bit 0
0 X 1 X Detect a Transition
0 X 0 X Load 4th Byte
0 P T
D8
0
0
1
1
0
0
TD1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0 P T
D16 TD15 TD14 TD13 TD12 TD11 TD10 TD9
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0 P T
D24 TD23 TD22 TD21 TD20 TD19 TD18 TD17
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0 P T
D32 TD31 TD30 TD29 TD28 TD27 TD26 TD25
0
HOLT INTEGRATED CIRCUITS
4-7
HOLTIC [ HOLT INTEGRATED CIRCUITS ]
