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參數資料
| 型號： | W78LE365 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8位微控制器 |
| 文件頁數： | 7/40頁 |
| 文件大小： | 1235K |
| 代理商： | W78LE365 |
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W78LE365
AUX-RAM 0H
3FFH is addressed indirectly as the same way to access external data memory with
the MOVX instruction. Address pointer are R0 and R1 of the selected register bank and DPTR
register. An access to external data memory locations higher than 3FFH will be performed with the
MOVX instruction in the same way as in the 8051. The AUX-RAM is enable after a reset. Setting the
bit 4 in CHPCON register will enable the access to AUX-RAM. When executing from internal
program memory, an access to AUX-RAM will not affect the Ports P0, P2,
WR
and
RD
.
Example:
CHPCON REG BFH
XRAMAH REG A1H
MOV CHPENR #87H
MOV CHPENR, #59H
ORL CHPCON, #00010000B ; enable AUX-RAM
MOV CHPENR, #00H
MOV XRAMAH, #01H ; internal high address
MOV R0, #23H
MOV A, #55H
MOVX @R0, A ; Write 55h data to 0123h AUX-RAM address.
MOV XRAMAH, #02H
MOV R1, #FFH ; Read data from 02FFh AUX-RAM address.
MOVX A, @R1
MOV DPTR, #0134H
MOV A, #78H
MOVX @DPTR,A ; Write 78h data to 0134h AUX-RAM address.
MOV DPTR, #7FFFH
MOVX A, @DPRT ; Read data from the external 7FFFh address SRAM
6.2 Timers 0, 1 and 2
Timers 0, 1, and 2 each consist of two 8-bit data registers. These are called TL0 and TH0 for Timer 0,
TL1 and TH1 for Timer 1, and TL2 and TH2 for Timer 2. The TCON and TMOD registers provide
control functions for timers 0, 1. The T2CON register provides control functions for Timer 2. RCAP2H
and RCAP2L are used as reload/capture registers for Timer 2. The operations of Timer 0 and Timer 1
are the same as in the W78C51. Timer 2 is a 16-bit timer/counter that is configured and controlled by
the T2CON register. Like Timers 0 and 1, Timer 2 can operate as either an external event counter or
as an internal timer, depending on the setting of bit C/T2 in T2CON. Timer 2 has three operating
modes: capture, auto-reload, and baud rate generator. The clock speed at capture or auto-reload
mode is the same as that of Timers 0 and 1.
6.2.1
Timer 2 Output
If set T2OE (T2MOD.1) bit and clear C/T2 (T2CON.1) bit at auto-reload mode, P1.0 will be toggled
once overflow.
Publication Release Date: August 5, 2004
- 7 -
Revision A2
相關PDF資料 |
PDF描述 |
|---|---|
| W78LE516 | 8-BIT MICROCONTROLLER |
| W78LE516-24 | 8-BIT MICROCONTROLLER |
| W78LE516F-24 | 8-BIT MICROCONTROLLER |
| W78LE516P-24 | 8-BIT MICROCONTROLLER |
| W78LE51F-24 | 8-BIT MTP MICROCONTROLLER |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W78LE365_07 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78LE51 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE51_06 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
| W78LE51-24 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MTP MICROCONTROLLER |
| W78LE516 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8-BIT MICROCONTROLLER |
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