參數(shù)資料
型號: W78ERD2A40DN
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT MICROCONTROLLER
中文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PDIP40
封裝: DIP-40
文件頁數(shù): 29/72頁
文件大?。?/td> 606K
代理商: W78ERD2A40DN
W78ERD2
Publication Release Date: April 20, 2005
- 29 -
Revision A4
PCA Module 3 Register
Bit:
7
-
6
5
4
3
2
1
0
ECOM3 CAPP3
CAPN3
MAT3
TOG3
PWM3 ECCF3
Mnemonic: CCAPM3 Address: DDh
PCA Module 4 Register
Bit:
7
-
6
5
4
3
2
1
0
ECOM4 CAPP4
CAPN4
MAT4
TOG4
PWM4 ECCF4
Mnemonic: CCAPM4 Address: DEh
Clock Control Register
Bit:
7
-
6
-
5
4
3
2
-
1
-
0
T2M
T1M
T0M
MD
Mnemonic: CKCON Address: DFh
BIT
7
NAME
-
FUNCTION
Reserve
6
-
Reserve
5
T2M
Timer 2 clock select: When T2M is set to 1, timer 2 uses a divide by 6 clock, and
when set to 0 uses a divide by 12 clock. (This bit has no effect if bit 3 of Option-bits
is set to 1 to select 12 clocks/machine cycle)
4
T1M
Timer 1 clock select: When T1M is set to 1, timer 1 uses a divide by 6 clock, and
when set to 0 uses a divide by 12 clock. (This bit has no effect if bit 3 of Option-
bits is set to 1 to select 12 clocks/machine cycle)
3
T0M
Timer 0 clock select: When T0M is set to 1, timer 0 uses a divide by 6 clock, and
when set to 0 uses a divide by 12 clock. (This bit has no effect if bit 3 of Option-
bits is set to 1 to select 12 clocks/machine cycle)
Reserve
2
-
1
-
Reserve
Stretch MOVX select bits: This bit is used to select the stretch value for the MOVX
instruction. Using a variable MOVX length. Enables the user to access slower
memory devices or peripherals without the need for external circuits. The RD or
WR strobe will be stretched by the selected interval. All internal timing s are also
stretched by the same amount. This operation is transparent to the user. By
default, the stretch has value 1 cycle. If the user needs faster accessing, then
stretch value of 0 should be selected
0
MD
Accumulator
Bit:
7
6
5
4
3
2
1
0
ACC.7
ACC.6
ACC.5
ACC.4
ACC.3
ACC.2
ACC.1
ACC.0
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