参数资料
型号: M37478M8-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP56
封装: 10 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-56
文件页数: 4/50页
文件大小: 693K
代理商: M37478M8-XXXFP
In the M37478M4-XXXSP/FP, M37478M2/M4TXXXSP/FP, set this bit to “0”.
In the 7477 group, set this bit to “0”.
In the M37477M4-XXXSP/FP, M37477M2/M4TXXXSP/FP, set this bit to “0”.
9
MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
CPU Mode Register
The CPU mode register is allocated at address 00FB16.
This register contains the stack page selection bit.
FUNCTIONAL DESCRIPTION
Central Processing Unit (CPU)
The 7477/7478 group uses the standard 740 family instruction set.
Refer to the table of 740 family addressing modes and machine in-
structions or the SERIES 740 <Software> User’s Manual for
details on the instruction set.
Machine-resident 740 family instructions are as follows:
The FST and SLW instruction cannot be used.
The MUL, DIV, WIT, and STP instruction can be used.
Fig. 1 Structure of CPU mode register
CPU mode register (Address 00FB 16)
b7
b0
Stack page selection bit (Note 1)
0 : In page 0 area
1 : In page 1 area
These bits must always be set to “0”.
P50, P51/XCIN, XCOUT selection bit (Note 2)
0 : P50, P51
1 : XCIN, XCOUT
Notes 1 :
XCOUT drive capacity selection bit (Note 2)
0 : Low
1 : High
Clock (XIN-XOUT) stop bit (Note 2)
0 : Oscillates
1 : Stops
Internal system clock selection bit (Note 2)
0 : XIN-XOUT selected (normal mode)
1 : XCIN-XCOUT selected (low-speed mode)
2 :
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相关代理商/技术参数
参数描述
M37478M8-XXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
M37478M8-XXXSP/FP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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