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参数资料
| 型号： | M38039MFL-XXXWG |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PBGA64 |
| 封装： | 6 X 6 MM, 0.65 MM PITCH, PLASTIC, FLGA-64 |
| 文件页数： | 13/121页 |
| 文件大小： | 2071K |
| 代理商： | M38039MFL-XXXWG |
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Rev.1.01
Jan 25, 2008
Page 9 of 117
REJ03B0212-0101
3803 Group (Spec.L)
FUNCTIONAL DESCRIPTION
CENTRAL PROCESSING UNIT (CPU)
The 3803 group (Spec.L) uses the standard 740 Family
instruction set. Refer to the table of 740 Family addressing
modes and machine instructions or the 740 Family Software
Manual for details on the instruction set.
Machine-resident 740 Family instructions are as follows:
The FST and SLW instructions cannot be used.
The STP, WIT, MUL, and DIV instructions can be used.
[Accumulator (A)]
The accumulator is an 8-bit register. Data operations such as data
transfer, etc. are executed mainly through the accumulator.
[Index Register X (X)]
The index register X is an 8-bit register. In the index addressing
modes, the value of the OPERAND is added to the contents of
register X and specifies the real address.
[Index Register Y (Y)]
The index register Y is an 8-bit register. In partial instruction, the
value of the OPERAND is added to the contents of register Y
and specifies the real address.
[Stack Pointer (S)]
The stack pointer is an 8-bit register used during subroutine calls
and interrupts. This register indicates start address of stored area
(stack) for storing registers during subroutine calls and
interrupts.
The low-order 8 bits of the stack address are determined by the
contents of the stack pointer. The high-order 8 bits of the stack
address are determined by the stack page selection bit. If the
stack page selection bit is “0”, the high-order 8 bits becomes
“0016”. If the stack page selection bit is “1”, the high-order 8 bits
becomes “0116”.
The operations of pushing register contents onto the stack and
popping them from the stack are shown in Figure 8.
Store registers other than those described in Figure 7 with
program when the user needs them during interrupts or
subroutine calls (see Table 4).
[Program Counter (PC)]
The program counter is a 16-bit counter consisting of two 8-bit
registers PCH and PCL. It is used to indicate the address of the
next instruction to be executed.
Fig 7.
740 Family CPU register structure
Processor Status Register (PS)
Carry Flag
Zero Flag
Interrupt Disable Flag
Decimal Mode Flag
Break Flag
Index X Mode Flag
Overflow Flag
Negative Flag
b7
b0
b15
Program Counter
Stack Pointer
Index Register Y
Index Register X
Accumulator
A
X
Y
S
PCL
PCH
C
Z
I
D
B
T
V
N
b7
b0
b7
b0
b7
b0
b7
b0
b7
b0
相关PDF资料 |
PDF描述 |
|---|---|
| M38039FFLHP | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PQFP64 |
| M38039FFLWG | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PBGA64 |
| M38039MFL-XXXKP | 8-BIT, MROM, 16.8 MHz, MICROCONTROLLER, PQFP64 |
| M38039FFLSP | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PDIP64 |
| M38039FFLKP | 8-BIT, FLASH, 16.8 MHz, MICROCONTROLLER, PQFP64 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| M38049FFFP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049FFLHP#U0 | 制造商:Renesas Electronics Corporation 功能描述: |
| M38049RLSS | 功能描述:DEV EMULATOR CHIP RAM 2KB 64SDIP RoHS:否 类别:编程器，开发系统 >> 内电路编程器、仿真器以及调试器 系列:- 产品变化通告:Development Systems Discontinuation 19/Jul/2010 标准包装:1 系列:* 类型:* 适用于相关产品:* 所含物品:* |
| M3806 | 功能描述:电缆固定件和配件 LTSCG 625 BLACK RoHS:否 制造商:Heyco 类型:Cable Grips, Liquid Tight 材料:Nylon 颜色:Black 安装方法:Cable 最大光束直径:11.4 mm 抗拉强度: |
| M3806 BK001 | 制造商:Alpha Wire Company 功能描述:CBL 8COND 18AWG BLK 1000' |
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