參數(shù)資料
型號(hào)： HD40A4356
廠商： Hitachi,Ltd.
英文描述： 4-bit HMCS400-Series microcomputer
中文描述： 4位HMCS400系列微機(jī)
文件頁(yè)數(shù)： 15/100頁(yè)
文件大?。?/td> 398K
代理商： HD40A4356
HD404358 Series
15
Table 1
Initial Values After MCU Reset
Item
Program counter
Abbr.
(PC)
Initial Value
$0000
Contents
Indicates program execution point
from start address of ROM area
Enables conditional branching
Stack level 0
Inhibits all interrupts
Status flag
Stack pointer
Interrupt
flags/mask
(ST)
(SP)
(IE)
1
$3FF
0
Interrupt enable flag
Interrupt request flag
(IF)
0
Indicates there is no interrupt
request
Prevents (masks) interrupt requests
Enables output at level 1
Turns output buffer off (to high
impedance)
Interrupt mask
Port data register
Data control register
(IM)
(PDR)
(DCD0 –
DCD1)
(DCD2)
(DCR0 –
DCR4,
DCR8)
(PMRA)
1
All bits 1
All bits 0
I/O
- - - 0
All bits 0
Port mode register A
0000
Refer to description of port mode
register A
Refer to description of port mode
register B
Refer to description of port mode
register C
Refer to description of timer mode
register A
Port mode register B bits
2–0
Port mode register C
(PMRB2 –
PMRB0)
(PMRC)
000
00 - 0
Timer/
counters,
serial
interface
Timer mode register A
(TMA)
- 000
Timer mode register B1
(TMB1)
0000
Refer to description of timer mode
register B1
Refer to description of timer mode
register B2
Refer to description of timer mode
register C
Refer to description of serial mode
register
—
—
—
—
—
Timer mode register B2
(TMB2)
- 000
Timer mode register C
(TMC)
0000
Serial mode register
(SMR)
0000
Prescaler S
Timer counter A
Timer counter B
Timer counter C
Timer write register B
(PSS)
(TCA)
(TCB)
(TCC)
(TWBU,
TWBL)
(TWCU,
TWCL)
$000
$00
$00
$00
$X0
Timer write register C
$X0
—
Octal counter
000
—
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD40A4356H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer
HD40A4356R 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HMCS43XXFamily User＇s Manual/Device
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HD40A4358 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter,
HD40A4358H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer
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