MB88111 Fujitsu Media Devices, MB88111 Datasheet - Page 12

• Manufacturer Part Number: MB88111
• Description: A/D Converter
• Manufacturer: Fujitsu Media Devices

12
MB88111
5. Port Input Command
• Example of STC command execution (3) (Port input command)
The port input command executes I/O evaluation of 8-channel inputs from the AN16 to AN23 pins at a prescribed
threshold in 10 clock cycles and outputs the results as port input data. The processing sequence is activated
each time port input is selected by the STC command. Port input data is output in the following format:
Evaluation data:
The evaluation values of AN23 to AN16 are output to bits Bf to B8.
Evaluation value
“H”: Vin
“L”: Vin
ENDC (A/D completion flag):
This bit is set to “1” upon completion of A/D conversion. It is set to “0” upon completion of serial transfer.
SCK
SIN
SOT
ENDC
IRQX
AN16
AN23
A/D
to
0.2 x Vcc
0.8 x Vcc
MSB
Bf
Be
Bd
Evaluation data
16 Cycle
0000H
CH9
Bc
Bb
Ba
B9
Evaluation
B8
10 Cycle
B7
“0”
B6
ENDC
B5
B4
B3
16 Cycle
Data 9
STOP
B2
“1”
B1
LSB
B0