WT61P8 Ver la hoja de datos (PDF) - Weltrend Semiconductor
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WT61P8 Datasheet PDF : 54 Pages
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4. Functional Description
WT61P8 v1.01
Flat Panel Display Control Sub-MCU
4.1. MCU
4.1.1. Internal MCU
Embedded 8-bit turbo 8052 compatible CPU with 16-bit address and 8-bit data bus operates at
12MHz,6MHz,3Mhz,1Mhz or 24MHz, 12MHz, 6MHz, 2MHz
4.1.2. RAM
The SRAM include :
128 bytes internal SRAM are from 0x0000H to 0x007FH (direct & indirect addressing)
128 bytes internal SRAM are from 0x0080H to 0x00FFH (indirect addressing)
1K bytes external SRAM are from 0x1000H to 0x13FFH
4.1.3. Flash Memory
MAX F/W program address is located from $0000H to $FFFFH (64k bytes).
Memory Mapping
Program memory
$FFFFH
Internal memory
64K bytes
Flash
$0000H
$00FFH
$0080H
$007FH
$0000H
Upper
128 bytes
SRAM
Lower
128 bytes
SRAM
SFR
Registers
Data memory
$FFFFH
Reserved
$1400H
$13FFH 1024 bytes
$1000H
RAM
$0FFFH
Reserved
$0100H
$00FFH
Registers
$0000H
Copyright© 2008 Weltrend Semiconductor, Inc. All Rights Reserved.
Weltrend reserves right to modify all information contained in this document without notice.
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