參數資料
型號: HD404339FS
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer with large-capacity memory
中文描述: 4位HMCS400系列的大容量存儲器微機
文件頁數: 29/78頁
文件大?。?/td> 337K
代理商: HD404339FS
HD404339 Series
29
Bit
Initial value
Read/Write
Bit name
3
0
W
SSR13
*
1
2
0
W
SSR12
0
Not used
1
0
W
SSR11
System clock selection register 1 (SSR1: $027)
System Clock Selection
*
2
0.4 to 1.0 MHz
1.6 to 4.5 MHz
SSR11
0
1
SSR12
0
1
Ratio Selection
f
SUB
= f
X
/8
f
SUB
= f
X
/4
32-kHz Oscillation Division
SSR13
0
1
32-kHz Oscillation Stop
Oscillation operates in stop mode
Oscillation stops in stop mode
Notes:
*
1
*
2
SSR13 will only be cleared to 0 by a
RESET
input. A
STOPC
input during stop mode will not
clear SSR13. Also note that SSR13 will not be cleared upon transition to stop mode.
When the subsystem oscillator (32.768 kHz crystal oscillator) is used, set 0.4 MHz
f
OSC
1.0MHz
or 1.6 MHz
f
OSC
4.5 MHz.
Figure 20 System Clock Selection Register 1 (SSR1)
Bit
Initial value
Read/Write
Bit name
3
Not used
2
Not used
0
0
W
SSR20
1
0
W
SSR21
System clock selection register 2 (SSR2: $028)
SSR21
0
0
1
1
SSR20
0
1
0
1
System Clock Division Ratio
1/4 division
1/8 division
1/16 division
1/32 division
Figure 21 System Clock Selection Register 2 (SSR2)
相關PDF資料
PDF描述
HD4074339FS 4-bit HMCS400-Series microcomputer with large-capacity memory
HD4074339 4-bit HMCS400-Series microcomputer with large-capacity memory
HD4074339S 4-bit HMCS400-Series microcomputer with large-capacity memory
HD4043312FS 4-bit HMCS400-Series microcomputer with large-capacity memory
HD4043312S 4-bit HMCS400-Series microcomputer with large-capacity memory
相關代理商/技術參數
參數描述
HD404339S 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer with large-capacity memory
HD404339SERIES 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
HD404341FP 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404341FT 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4-Bit Microcontroller
HD404341R 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit microcomputers