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MDT2030 Просмотр технического описания (PDF) - Unspecified

Номер в каталоге
Компоненты Описание
производитель
MDT2030
ETC1
Unspecified ETC1
MDT2030 Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
(5) MSR (Memory Bank Select Register) : R4
Memory Bank Select Register :
00 : 10~1F
01 : 30~3F
10 : 50~5F
11 : 70~7F
MDT2030
b7
b6
b5
b4
b3
b2
b1
b0
Read only “1”
(6) PORT A : R5
PA3~PA0, I/O Register
(7) PORT B : R6
PB7~PB0, I/O Register
(8) TMR (Time Mode Register)
Indirect Addressing Mode
Bit
20
3
4
5
Symbol
PS20
PSC
TCE
TCS
Function
Prescaler Value
RTCC rate
WDT rate
000
001
1:2
1:4
1:1
1:2
010
1:8
1:4
011
1 : 16
1:8
100
101
1 : 32
1 : 64
1 : 16
1 : 32
110
1 : 128
1 : 64
111
Prescaler assignment bit :
0 RTCC
1 Watchdog Timer
1 : 256
1 : 128
RTCC signal Edge :
0 Increment on low-to-high transition on RTCC pin
1 Increment on high-to-low transition on RTCC pin
RTCC signal set :
0 Internal instruction cycle clock
1 Transition on RTCC pin
(9) CPIO A, CPIO B (Control Port I/O Mode Register)
The CPIO register is “write-only”
“0”, I/O pin in output mode;
“1”, I/O pin in input mode.
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 4
2004/1 Ver. 1.3

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