M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
Address 00F516
Timer 34 Mode Register
b7b6 b5b4b3 b2b1b0
Timer 34 mode register (T34M) [Address 00F516
]
B
0
Name
Functions
0 : f(XIN)/16
1 : External clock source
After reset R W
Timer 3 count source
selection bit (T34M0)
0
R W
1
Timer 4 internal
interrupt count source 1 : f(XIN)/16
selection bit (T34M1)
0 : Timer 3 overflow signal
0
R W
Timer 3 count stop bit
0: Count start
2
3
0
0
R W
R W
(T34M2)
1: Count stop
Timer 4 count stop bit
(T34M3)
0: Count start
1: Count stop
Timer 4 count source
selection bit (T34M4)
4
5
0: Internal clock source
1: f(XIN)/2
0
0
R W
R W
Timer 3 external count 0: TIM3 pin input
source selection bit
(T34M5)
1: HSYNC pin input
6, 7 Nothing is assigned. These bits are write disable bits.
When these bits are read out, the values are “0.”
0
R —
Addresses 00F916
Interrupt Input Polarity Register
b7 b6b5b4b3b2 b1b0
0 0
0
Interrupt input polarity register(RE) [Address 00F916]
R W
Name
Functions
After reset
0
B
0
—
R
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
0
0
0
0
0
0
R W
R W
R W
R W
Fix These bits to “0.”
1,2
3
INT1 polarity switch bit
0 : Positive polarity
(RE3)
1 : Negative polarity
INT2 polarity switch bit
(RE4)
4
0 : Positive polarity
1 : Negative polarity
INT3 polarity switch bit
(RE5)
5
0 : Positive polarity
1 : Negative polarity
—
R
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0.”
6
R W
Fix this bit to “0.”
7
Rev.1.00 Oct 01, 2002 page 106 of 110
REJ03B0134-0100Z