Hitachi H8S/2199 Hardware Manual page 283

Single-chip microcomputer
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Bit 1    Enabling Interrupt of the TMJ1I (TMJ1IE): This bit works to permit/prohibit
occurrence of TMJ1I interrupt of the TMJS in 1-set of the TMJ1I.
Bit 1
TMJ1IE
Description
0
Prohibits occurrence of TMJ1I interrupt
1
Permits occurrence of TMJ1I interrupt
Bit 0    TMJ-2 Input Clock Selection (PS22): This bit, together with the PS21 and PS20 bits of
the timer mode register J (TMJ), selects the TMJ-2 input clock source.
TMJC
Bit 3
Bit 0
Bit 3
EXN
PS22
PS21
0
1
0
1
0
*
1
1
0
1
0
0
1
Note:
*
Don't care
1. The external clock edge can be selected by the IRQ edge select register (IEGR). For
details, refer to section 6.2.4, IRQ Edge Select Registers (IEGR).
TMJ
Bit 2
PS20
Description
PSS; count at φ/128
0
PSS; count at φ/64
1
0
Count at TMJ-1 underflow
1
External clock (IRQ2); count at rising or falling edge*
*
Reserved
PSS; count at φ/16384
0
PSS; count at φ/2048
1
0
Count at TMJ-1 underflow
1
External clock (IRQ2); count at rising or falling edge*
PSS; count at φ/1024
0
PSS; φ/1024
1
0
Count at TMJ-1 underflow
1
External clock (IRQ2); count at rising or falling edge*
(Initial value)
Rev. 1.0, 02/00, page 269 of 1141
(Initial value)
1
1
1

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