EM78P468LAQ EMC [ELAN Microelectronics Corp], EM78P468LAQ Datasheet - Page 30

• Manufacturer Part Number: EM78P468LAQ
• Description: 8-BIT Microcontroller
• Manufacturer: EMC [ELAN Microelectronics Corp]

EM78P468L
8-BIT Microcontroller
26 •
4.2.17 IOCA1/HLPWTCR (High/Low Pulse Width Timer Control
4.2.18 IOCB1/P6PH (PORT 6 Pull High Control Register)
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
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
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
PH6x = “0”: disable pin of P6.x internal pull-high resistor function
PH6x = “1”: enable pin of P6.x internal pull-high resistor function
Register)
(Address: 0Ah, Bit 0 of R5 = “1”)
(Address: 0Bh, Bit 0 of R5 = “1”)
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
PH66
Bit 6
Bit 6
HPWTP1
LPWTP1
PH65
Bit 5
Bit 5
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
PH64
Bit 4
Bit 4
(This specification is subject to change without further notice)
HPWTP0
LPWTP0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
PH63
Bit 3
Bit 3
Product Specification (V1.0) 03.15.2006
High-pulse width timer scale
Low-pulse width timer scale
PH62
Bit 2
Bit 2
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
PH60
Bit 0
Bit 0