EM78P468NBQ EMC [ELAN Microelectronics Corp], EM78P468NBQ Datasheet - Page 29

• Manufacturer Part Number: EM78P468NBQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

Product Specification (V1.2) 03.15.2005
(This specification is subject to change without further notice)
4.2.17 IOCA1/HLPWTCR (High/Low Pulse Width Timer Contr
4.2.18 IOCB1/P6PH (PORT 6 Pull High Control Register)
Bit 7
(*Fs:
Bit 6 4 (LPWTP2~ LPWTP0): low-pulse width timer pre-scaler select bits
Bit 3(
Bit 2
Bit 7 ~ Bit 0 (PH67 ~ PH60): The enable bits of PORT 6 pull high function.
LPWTS LPWTP2 LPWTP1 LPWTP0 HPWTS HPWTP2 HPWTP1 HPWTP0
PH67
Bit 7
Bit 7
HPWTP2
LPWTP2
(LPWTS): low-pulse width timer clock source select 0/1 -> Fs/ F
~
~0(HP TP2~ HP
sub-oscillator clock, Fm: main-oscillator clock)
PH6x = “0”: disable pin of P6.x internal pull-high resistor function
PH6x = “1”: enable pin of P6.x internal pull-high resistor function
HPWTS): high-pulse width timer clock sourc
Register)
(A
(Address: 0Bh, Bit 0 of R5 = “1”)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
ddr
W
PH66
ess:
Bit 6
Bit 6
0Ah
HPWTP1
LPWTP1
WT
PH65
Bit 5
Bit 5
, Bit
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
P0):
0 o
high
f R5 =
PH64
Bit 4
Bit 4
-pulse wi
HPWTP0
LPWTP0
“1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
dth timer pre
PH63
”)
Bit 3
Bit 3
e select 0/1 -> Fs/ Fm*
High-p lse w
Low-pulse width timer scale
PH62
Bit 2
Bit 2
-scaler
u
select bits
8-BIT Microcontroller
PH61
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 1
Bit 1
idth timer scale
m*
EM78P468N
ol
PH60
Bit 0
Bit 0
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