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參數(shù)資料
| 型號(hào)： | SD42P1008 |
| 廠商： | AUK Corp |
| 元件分類： | 4位微控制器 |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER |
| 中文描述： | 4位單片機(jī) |
| 文件頁(yè)數(shù)： | 5/20頁(yè) |
| 文件大?。?/td> | 96K |
| 代理商： | SD42P1008 |
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KSI-W029-000
5
I/O Address Map
SD42C/P1008
ADDRESS
Hardware Module Name
R/W
Addressing Unit
REMARKS
INITIAL
b3
b2
b1
b0
1 bit
4 bit
8bit
VALUE
318H
319H
Stack pointer low (SPL)
Stack pointer high (SPH)
R/W
R/W
O
O
Stack pointer low
stack pointer high
E
F
31AH
31BH
SP3
-
SP2
-
SP1
SP5
SP0
SP4
R/W
R/W
O
O
Stack Page Select Low (SPSL)
Stack Page Select High (SPSh)
0
0
31CH
AC
IS1
IS0
R/W
O
O
O
Psw low (PSWL)
0
31DH
320H
CY
Z
OV
T
Psw high (PSWH)
Clock source select. counter
0
T/E counter mode register 0
W
320H.3
O
00
321H
322H
(TMOD0)
T/E counter register 0
start (ch0)
readable count value (ch0)
R
00
323H
324H
(TMCNT0)
T/E reference register 0
W
count reference register (ch0)
FF
325H
332H
(TMREF0)
Basic Timer mode register(BMOD)
R/W
332H.3
clock select, Bit start
0
334H
335H
Basic interval timer count
register(BITCNT)
R
readable count register
00
336H
337H
Watch timer mode register
(WMOD)
R/W
336H.3
clock/buzzer select. bit3
readable
00
390H
391H
Lcd display mode register
(LCDMD)
W
O
duty/bias/clock/seg/bitport
select
00
392H
3A0H
Lcd control register (LCON)
Power control register
W
O
O
display ON/OFF
system clock select, idle, stop
0
00
(PCON)
R/W
mode
3A2H
3A4H
Operating mode register (SCMOD)
Clock output mode register
R/W
W
O
main/sub system clock select
cpu clock output select, clock
0
O
00
(CLOMD)
Serial interface mode register0
out EN/DIS
receive/transmit mode. clock
3A8H
W
3A8H.3
O
00
3A9H
3AAH
(SIOM0)
Serial interface buffer0
select
serial shift register 0
R/W
XX
3ABH
3B2H
(SBUFF0)
Power on flag (PONF)
P/W
3B2H.0
O
power on reset flag
0
3C2H
3C3H
IME
IPSR3
R/W
3C2H.3
O
Interrupt priorty select, IME flag.
00
IPSR2
IPSR1
IPSR0
3C4H
External interrupt mode register0
(IMOD0)
W
O
external interrupt 0 edge
detection
00
3C5H
External interrupt mode register1
W
O
external interrupt 1 edge
00
(IMOD1)
External interrupt mode register2
detection
external interrupt 2 edge
3C6H
W
O
00
(IMOD2)
External interrupt mode register3
detection
external interrupt 3 edge
3C7H
W
O
00
(IMOD3)
detection
3D8H
3D9H
IE2
IRQ2
IEBT
IEWT
IRQBT
IRQWT
R/W
R/W
O
O
O
O
Interrupt EN/IRQ flag
Interrupt EN/IRQ flag
0
0
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