EM78468
8-BIT Microcontroller
4.2.17 IOCA1/HLPWTCR (High/Low Pulse Width Timer Control
Register)
(Address: 0Ah, Bit 0 of R5 = “1”)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
LPWTS LPWTP2 LPWTP1 LPWTP0 HPWTS HPWTP2 HPWTP1 HPWTP0
Bit 7(LPWTS): low-pulse width timer clock source select 0/1 -> Fs/ Fm*
(*Fs: sub-oscillator clock, Fm: main-oscillator clock)
Bit 6~4 (LPWTP2~ LPWTP0): low-pulse width timer pre-scaler select bits
LPWTP2
LPWTP1
LPWTP0
Low-pulse width timer scale
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
Bit 3(HPWTS): high-pulse width timer clock source select 0/1 -> Fs/ Fm
Bit 2~0(HPWTP2~ HPWTP0): high-pulse width timer pre-scaler select bits
HPWTP2
HPWTP1
HPWTP0
High-pulse width timer scale
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
1:2
1:4
1:8
1:16
1:32
1:64
1:128
1:256
4.2.18 IOCB1/P6PH (PORT 6 Pull High Control Register)
(Address: 0Bh, Bit 0 of R5 = “1”)
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
PH67
PH66
PH65
PH64
PH63
PH62
PH61
PH60
Bit 7 ~ Bit 0 (PH67 ~ PH60): The enable bits of PORT 6 pull high function.
PH6x = “0”: disable pin of P6.x internal pull-high resistor function
PH6x = “1”: enable pin of P6.x internal pull-high resistor function
Product Specification (V1.1) 04.11.2005
(This specification is subject to change without further notice)
• 25
ELAN [ ELAN MICROELECTRONICS CORP ]
