...internal address bus with up to 256 Mbytes of off-chip linear address space -- 32-bit data bus -- 16 user-visible 32-bit wide registers -- S...128 Mbytes using 16M x 1 DRAMs, 256 Mbytes using 32x1 DRAMS -- Programmable refresh timer provides C...
... A A ROW DECODER MEMORY MATRIX (256 ROWS 128 x 8 COLUMNS)
A A A DQ DQ DQ VSS
PIN NAMES
DQ INPUT DATA CONTROL DQ A E W G A A A A A A COLUMN I/O COLUMN DECODER A . . . . . . . . . . . . . . . . . . . . Address Input W . . . . . . . . ....
...ther memory or I O space on any 256 byte address boundary Figure 3 provides a list of the registers associated with the PCB when the processor's Interrupt Control Unit is in Master Mode In Slave Mode the definitions of some registers change...
256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz)
Product specification
Replaces datasheet 8XC52/54/58/80C32...128 No No RAM Size (X by 8) Programmable Timer Counter (PCA) Hardware Watch Dog Timer
* 80C51 Cen...
Description
80C51 8-bit microcontroller family 8K-4K/256-1K OTP/ROM/ROMless, low voltage (2.7V-5.5V), low power, high speed (33 MHz) 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless low voltage 2.7V.5.5V low power high speed 33 MHz 80C51 8-bit microcontroller family 8K.64K/256.1K OTP/ROM/ROMless, low voltage 2.7V.5.5V, low power, high speed 33 MHz
...1 072 words) of 16 bits each or 256 Kbytes (262 144 bytes) of 8 bits each Five Separately Erasable Blocks including a Hardware-Lockable boot...128-Kbyte block and 1 x 96-Kbyte blocks) See the following section on Block Memory Map for the addre...
Description
2-MBIT (128K x 16/ 256K x 8)LOW-POWER BOOT BLOCK FLASH MEMORY FAMILY 2-MBIT (128K x 16, 256K x 8)LOW-POWER BOOT BLOCK FLASH MEMORY FAMILY
...1 072 words) of 16 bits each or 256 Kbytes (262 144 bytes) of 8 bits each Five Separately Erasable Blocks including a hardware-lockable boot...128 Kbyte block and 1 x 96-Kbyte block) See the following section on Block Memory Map for the addres...
Description
2-MBIT (128K x 16/ 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY 2-MBIT (128K x 16, 256K x 8) BOOT BLOCK FLASH MEMORY FAMILY