參數資料
型號: MR80C52CXXX-36/883:R
廠商: TEMIC SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CQCC44
文件頁數: 124/142頁
文件大?。?/td> 25028K
21
8272E–AVR–04/2013
ATmega164A/PA/324A/PA/644A/PA/1284/P
The 32 general purpose working registers, 64 I/O registers, 160 Extended I/O Registers and
th e 1 02 4/2 0 4 8 /4 09 6 b yte s of inte rn al d a ta SRAM in t h e A tme l
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P are all accessible through all these
addressing modes. The Register File is described in ”General Purpose Register File” on page
Figure 8-2.
Data Memory Map for
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P.
8.3.1
Data memory access times
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
CPU cycles as described in Figure 8-3.
Figure 8-3.
On-chip data SRAM access cycles.
32 Registers
64 I/O Registers
Internal SRAM
(1024/2048/4096/16384x 8)
0x0000 - 0x001F
0x0020 - 0x005F
0x04FF/0x08FF/0x10FF/0x40FF
0x0060 - 0x00FF
Data Memory
160 Ext I/O Reg.
0x0100
clk
WR
RD
Data
Address
Address valid
T1
T2
T3
Compute Address
Read
Wr
ite
CPU
Memory Access Instruction
Next Instruction
相關PDF資料
PDF描述
MR80C52EXXX-16SHXXX:RD 8-BIT, MROM, 16 MHz, MICROCONTROLLER, CQCC44
MQ80C32-12SHXXX:D 8-BIT, 12 MHz, MICROCONTROLLER, CQFP44
MQ80C32-20SHXXX:RD 8-BIT, 20 MHz, MICROCONTROLLER, CQFP44
MC80C52CXXX-36:D 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
MC80C52XXX-36/883:D 8-BIT, MROM, 36 MHz, MICROCONTROLLER, CDIP40
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