參數(shù)資料
型號(hào)： HD404092
廠商： Hitachi,Ltd.
英文描述： 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
中文描述： 4位單片機(jī)（4位單片微計(jì)算機(jī)）
文件頁(yè)數(shù)： 15/101頁(yè)
文件大小： 610K
代理商： HD404092
HD404054 Series/HD404094 Series
15
Item
Abbr.
Initial
Value
Contents
Bit register
Watchdog timer on flag
(WDON) 0
Refer to description of timer C
Input capture status flag (ICSF)
0
Refer to description of timer D
Input capture error flag
(ICEF)
0
Refer to description of timer D
Others
Miscellaneous register
(MIS)
00 - -
Refer to description of operating modes, and
oscillator circuit
Notes: 1. The statuses of other registers and flags after MCU reset are shown in the following table.
2. X indicates invalid value. – indicates that the bit does not exist
Item
Abbr.
Status After
Cancellation of Stop
Mode by
STOPC
Input
Status After
Cancellation of Stop
Mode by MCU Reset
Status After all Other
Types of Reset
Carry flag
(CA)
Pre-stop-mode values are not guaranteed;
values must be initialized by program
Pre-MCU-reset values
are not guaranteed;
values must be
initialized by program
Accumulator
(A)
B register
(B)
W register
(W)
X/SPX register
(X/SPX)
Y/SPY register
(Y/SPY)
Serial data register
(SRL, SRU)
RAM
Pre-stop-mode values are retained
RAM enable flag
(RAME)
1
0
0
Port mode register 1
bit 2
(PMRC12)
Pre-stop-mode values
are retained
0
0
Interrupts
The MCU has 6 interrupt sources: Two external signals (
INT
0
,
INT
1
), Three timer/counters (timers A, C,
and D), and one serial interface (serial 1).
An interrupt request flag (IF), interrupt mask (IM), and vector address are provided for each interrupt
source, and an interrupt enable flag (IE) controls the entire interrupt process.
Interrupt Control Bits and Interrupt Processing:
Locations $000 to $003 and $020 to $021 in RAM are
reserved for the interrupt control bits which can be accessed by RAM bit manipulation instructions.
The interrupt request flag (IF) cannot be set by software. MCU reset initializes the interrupt enable flag
(IE) and the IF to 0 and the interrupt mask (IM) to 1.
相關(guān)PDF資料
PDF描述
HD404094 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD4074094 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD404052 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD404054 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
HD4074054H 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HD404092H 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity
HD404092S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404094 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:HMCS400-series microcomputers designed to increase program productivity with large-capacity memory
HD404094H 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer designed to increase program productivity
HD404094S 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
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