參數(shù)資料
型號: HD404094
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 30/101頁
文件大?。?/td> 610K
代理商: HD404094
HD404054 Series/HD404094 Series
30
Internal Oscillator Circuit
A block diagram of the clock generation circuit is shown in figure 17. As shown in table 18, a ceramic
oscillator can be connected to OSC
1
and OSC
2
. The system oscillator can also be operated by an external
clock.
After
RESET
input or after stop mode has been cancelled, the division ratio of the system clock can be
selected as 1/4 or 1/32 by setting the SEL pin level.
1/4 division ratio: Connect SEL to V
CC
.
1/32 division ratio: Connect SEL to GND.
OSC
2
OSC
1
System
oscillator
1/4 or
1/32
division
circuit
*
Timing
generator
circuit
CPU with ROM,
RAM, registers,
flags, and I/O
Peripheral
function
interrupt
f
cyc
t
cyc
f
OSC
φ
CPU
φ
PER
Note:
*
1/4 or 1/32 division ratio can be selected by SEL pin.
Figure 17 Clock Generation Circuit
OSC
2
GND
RESET
OSC
1
RE
0
TEST
GND
Figure 18 Typical Layout of Ceramic Oscillator
相關PDF資料
PDF描述
HD4074094 4-Bit Single-Chip Microcomputer(4位單片微計算機)
HD404052 4-Bit Single-Chip Microcomputer(4位單片微計算機)
HD404054 4-Bit Single-Chip Microcomputer(4位單片微計算機)
HD4074054H 4-Bit Single-Chip Microcomputer(4位單片微計算機)
HD40A4054 4-Bit Single-Chip Microcomputer(4位單片微計算機)
相關代理商/技術參數(shù)
參數(shù)描述
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
HD404201DA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404201FP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS 4-bit Single-Chip Microcomputers with the same architecture as the HMCS400 Series
HD404201FT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:CMOS 4-bit Single-Chip Microcomputers with the same architecture as the HMCS400 Series