W79E217A Datasheet, PDF (70/207 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E217A Data Sheet
PCNTL must be read first before reading at PCNTH as reading PCNTL will latch the PLSCNTH
automatically into PCNTH; otherwise inaccurate result is read when reading PCNTH first as it will not
latch the PLSCNTL data into PCNTL.
INPUT CAPTURE 0/PULSE READ COUNTER HIGH REGISTER
Bit:
7
6
5
4
3
2
1
0
CCH0.7/ CCH0.6/ CCH0.5/ CCH0.4/ CCH0.3/ CCH0.2/ CCH0.1/ CCH0.0/
PCNTH.7 PCNTH.6 PCNTH.5 PCNTH.4 PCNTH.3 PCNTH.2 PCNTH.1 PCNTH.0
Mnemonic: CCH0/PCNTH
Address: FCh
PCNTL must be read first before reading at PCNTH as reading PCNTL will latch the PLSCNTH
automatically into PCNTH.
INPUT CAPTURE 1/PULSE COUNTER LOW REGISTER
Bit:
7
6
5
4
3
2
1
0
CCL1.7/
PLSCNT
L.7
CCL1.6/
PLSCNT
L.6
CCL1.5/
PLSCNT
L.5
CCL1.4/
PLSCNT
L.4
CCL1.3/
PLSCNT
L.3
CCL1.2/
PLSCNT
L.2
CCL1.1/
PLSCNT
L.1
CCL1.0/
PLSCNT
L.0
Mnemonic: CCL1/PLSCNTL
Address: FDh
INPUT CAPTURE 1/PULSE COUNTER HIGH REGISTER
Bit:
7
6
5
4
3
2
1
0
CCH1.7/
PLSCNT
H.7
CCH1.6/
PLSCNT
H.6
CCH1.5/
PLSCNT
H.5
CCH1.4/
PLSCNT
H.4
CCH1.3/
PLSCNT
H.3
CCH1.2/
PLSCNT
H.2
CCH1.1/
PLSCNT
H.1
CCH1.0/
PLSCNT
H.0
Mnemonic: CCH1/PLSCNTH
Address: FEh
INTERRUPT CONTROL
Bit:
7
6
5
4
3
2
1
0
-
-
INT5CT1 INT5CT0 INT4CT1 INT4CT0 INT3CT1 INT3CT0
Mnemonic: INTCTRL
Address: FFh
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Publication Release Date: December 14, 2007
Revision A3.0