Hitachi H8/500 Series - Page 188

Table 9-13 Port 7 Pin Functions (cont)
Pin Selection of Pin Functions
P7
3 / FTI3 / The function depends on the counter clear bits 1 and 0 (CCLR1 and CCLR0) in the
TMRI timer control register (TCR) of the 8-bit timer, and on the P7
3DDR bit as follows:
CCLR1, CCLR0: At least one bit is “0.” Both bits are set to “1”
P7
3DDR 0 1
Pin function P7
3 input P73 output
FTI
3 input and TMRI input
P7
2 / FTI2
P72DDR 0 1
Pin function P7
2 input P72 output
FTI
2 input
P7
1 / FTI1
P71DDR 0 1
Pin function P7
1 input P71 output
FTI
1 input
P7
0 / TMCI This pin always has a general-purpose input/output function, and can simultaneously
be used for external clock input for the 8-bit timer, depending on clock select bits 2 to
0 (CKS2, CKS1, and CKS0) in the timer control register (TCR). See section 11, “8-
bit Timer” for details.
P7
0DDR 0 1
Pin function P7
0 input P70 output
TMCI input
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