Fujitsu MB96300 series Hardware Manual page 33

MB96300 Super Series Hardware Manual
■ Input Capture Unit source select
The source selection for ICU is done in the Input capture edge registers ICExy.
Address:
000041
H
X : undefined value
R/W : readable and writable
Figure 1.6-1 Input capture edge register ICE01
15 14 13 12 11 10 9
- - - ICUS1 - ICUS0 IEI1
- - - R/W - R/W R/W R/W
8
Initial value
X X X 0 X 0 0 0
IEI0
B
bit8
IEI0 Input capture valid edge indication bit for ICU0
0 falling edge detected
1 rising edge detected
bit9
IEI1 Input capture valid edge indication bit for ICU1
0 falling edge detected
1 rising edge detected
bit10
ICUS0 Input capture source select for ICU0
0 The external pin IN0 is input source
1 USART0 is input source
bit11
-
read value is undefined, write always 0,
read-modify-write instructions are not affected
bit12
ICUS1 Input capture source select for ICU1
0 The external pin IN1 is input source
1 USART1 is input source
bit13-15
-
read value is undefined, write always 0,
read-modify-write instructions are not affected
CHAPTER 1 OVERVIEW
reserved bit
reserved bit
25