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EM73880 データシート(PDF) 13 Page - ELAN Microelectronics Corp

部品番号 EM73880
部品情報  4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
PDF  40 Pages
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メーカー  EMC [ELAN Microelectronics Corp]
ホームページ  http://www.emc.com.tw
Logo EMC - ELAN Microelectronics Corp

EM73880 データシート(HTML) 13 Page - ELAN Microelectronics Corp

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* This specification are subject to be changed without notice.
EM73880
EM73880
EM73880
EM73880
EM73880
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
4-BIT MICRO-CONTROLLER FOR LCD PRODUCT
11.30.2001
Preliminary
Preliminary
Preliminary
Preliminary
Preliminary
SYSTEM CLOCK MODE CONTROL
SYSTEM CLOCK MODE CONTROL
SYSTEM CLOCK MODE CONTROL
SYSTEM CLOCK MODE CONTROL
SYSTEM CLOCK MODE CONTROL
The system clock mode controller can start or stop the high-frequency and low-frequency clock oscillator
and switch between the basic clocks. EM73880 has four operation modes (NORMAL, SLOW,IDLE and
STOP operation modes).
Operation Mode
Oscillator
System Clock
Available function
Operation Mode
Oscillator
System Clock
Available function
Operation Mode
Oscillator
System Clock
Available function
Operation Mode
Oscillator
System Clock
Available function
Operation Mode
Oscillator
System Clock
Available function
One instruction cycle
One instruction cycle
One instruction cycle
One instruction cycle
One instruction cycle
NORMAL
High, Low frequency
High frequency clock
LCD, HST, Speech sound
8 / fc
SLOW
Low frequency
Low frequency clock
LCD, HST
8 / fs
IDLE
Low frequency
CPU stops
LCD
-
STOP
None
CPU stops
All disable
-
STOP
operation
mode
NORMAL
operation
mode
IDLE
(CPU
stops)
SLOW
operation
mode
RESET
operation
High osc : stopped
Low osc : stopped
High osc : stopped
Low osc : oscillating
High osc : oscillating
Low osc : oscillating
High osc : stopped
Low osc : oscillating
Command
(P16)
Command
(P16)
Command
(P22)
Command
(P22)
Command
(P19)
Reset
Reset
Reset
Reset
Reset release
I/O wakeup
I/O or internal timer wakeup
High-frequency
generator
System clock
mode control
fc
fs
System control
Crystal connection
LXIN
LXOUT
P14
P16
P22
P19
Low-frequency
generator
Mask option for choose Crystal or RC oscillator
LXIN
LXOUT
CLK
open
LXIN
LXOUT
VDD
R
RC oscillator connection
R=1.2M
Ω
0.022uF
20PF



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