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參數(shù)資料
| 型號(hào)： | M38C59MF-XXXHP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 6.25 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | 12 X 12 MM, 0.50 MM PITCH, PLASTIC, LQFP-80 |
| 文件頁(yè)數(shù)： | 37/75頁(yè) |
| 文件大?。?/td> | 995K |
| 代理商： | M38C59MF-XXXHP |
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Rev.2.00
Nov 23, 2005
page 42 of 73
REJ03B0028-0200
38C5 Group
Fig. 39 Structure of AD control register
10-bit reading
(Read address 001716 before 001616)
b0
b7
b0
b1
* VREF input switch bit
b7 b6 b5b4b3 b2
b7
b0
b9b8b7b6 b5 b4b3b2
b7
b0
*
(high-order)
(low-order)
Note : The bit 5 to bit 1 of address 001616 become “0” at reading.
Also, bit 0 is undefined at reading.
1: ON
0: ON only during A/D conversion
b0
b1
Notes 1:
φ SOURCE:represents the supply source of internal clock φ.
XIN input: in the middle- or high-speed mode,
Internal on-chip oscillator divided by 4
in the on-chip oscillator mode, and
Sub clock in the low-speed mode.
2: When the ADKEY enable bit is “1”, the analog input selection bit is invalid.
Do not execute the A/D conversion by program while the ADKEY is enabled.
Bit 0 to bit 2 of ADCON are not changed even when ADKEY is enabled.
(Address 001716)
8-bit reading
(Read only address 001716)
AD conversion register 2
(Address 001616)
AD conversion register 1
(Address 001716)
Analog input pin selection bits
b2 b1 b0
00 0: P50/AN0
00 1: P51/AN1
01 0: P52/AN2
01 1: P53/AN3
10 0: P54/AN4
10 1: P55/AN5
11 0: P56/AN6
11 1: P57/AN7
AD control register
(ADCON: address 001516)
b7b0
(Note 1)
(Note 2)
ADKEY selection bit
0: Invalid
1: Valid
10-bit or 8-bit conversion switch bit
0: 10-bit AD
1: 8-bit AD
ADKEY enable bit
0: Disabled
1: Enabled
AD conversion clock selection bit
0:
φSOURCE/2
1:
φSOURCE/8
AD conversion completion bit
0: Conversion in progress
1: Conversion completed
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