參數(shù)資料
型號: HD404849FS
廠商: Hitachi,Ltd.
元件分類: 其它接口
英文描述: TERMINAL
中文描述: IGBT模塊
文件頁數(shù): 16/125頁
文件大小: 471K
代理商: HD404849FS
HD404849 Series
16
Table 1 Initial Values After MCU Reset
Item
Abbr.
Initial
Value
Contents
Program
counter
(PC)
$0000
Indicates program execution point from start
address of ROM area
Status flag
(ST)
1
Enables conditional branching
Stack pointer
(SP)
$3FF
Stack level 0
Interrupt
flags/mask
Interrupt enable flag
(IE)
0
Inhibits all interrupts
Interrupt request flag
(IF)
0
Indicates there is no interrupt request
Interrupt mask
(IM)
1
Prevents (masks) interrupt requests
I/O
Port data register
(PDR)
All bits 1
Enables output at level 1
Data control register
(DCD0,
DCD1)
All bits 0
Turns output buffer off (to high impedance)
(DCD2)
- - - 0
(DCR0–
DCR3,
DCR6,
DCR7)
All bits 0
Port mode register A
(PMRA)
- - 00
Refer to description of port mode register A
Port mode register B
(PMRB)
- 000
Refer to description of port mode register B
Port mode register C
bits 3, 1, 0
(PMRC3,
PMRC1,
PMRC0)
000
Refer to description of port mode register C
Detection edge select
register 1
(ESR1)
0000
Disables edge detection
Detection edge select
register 2
(ESR2)
00 - -
Disables edge detection
Timer/
counters,
serial
interface
Timer mode register A
(TMA)
0000
Refer to description of timer mode register A
Timer mode register B1 (TMB1)
0000
Refer to description of timer mode register B1
Timer mode register B2 (TMB2)
- - 00
Refer to description of timer mode register B2
Timer mode register C1 (TMC1)
0000
Refer to description of timer mode register
C1
Timer mode register C2 (TMC2)
- 000
Refer to description of timer mode register
C2
Timer mode register D1 (TMD1)
0000
Refer to description of timer mode register
D1
Timer mode register D2 (TMD2)
0000
Refer to description of timer mode register
D2
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