T89C5115_08 ATMEL [ATMEL Corporation], T89C5115_08 Datasheet - Page 88

• Manufacturer Part Number: T89C5115_08
• Description: Low Pin Count 8-bit Microcontroller with A/D Converter and 16 KBytes Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

88
AT89C5115
Table 63. ADCLK Register
ADCLK (S:F2h)
ADC Clock Prescaler
Reset Value = XXX0 0000b
Table 64. ADDH Register
ADDH (S:F5h Read Only)
ADC Data High Byte Register
Reset Value = 00h
Table 65. ADDL Register
ADDL (S:F4h Read Only)
ADC Data Low Byte Register
Reset Value = 00h
Number
Number
Number
ADAT 9
7 - 5
7 - 0
7 - 2
Bit
Bit
Bit
4-0
1-0
7
7
7
-
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
ADAT 8
ADAT9:2
ADAT1:0
PRS4:0
Bit
Bit
Bit
6
6
6
-
-
-
-
Reserved
The value read from these bits are indeterminate. Do not set these bits.
Clock Prescaler
Fadc = Fcpuclock/(4*PRS)) in X1 mode
Fadc=Fcpuclock/(2*PRS) in X2 mode
ADC result
bits 9-2
Reserved
The value read from these bits are indeterminate. Do not set these bits.
ADC result
bits 1-0
ADAT 7
5
5
5
-
-
ADAT 6
PRS 4
4
4
4
-
ADAT 5
PRS 3
3
3
3
-
ADAT 4
PRS 2
2
2
2
-
ADAT 3
ADAT 1
PRS 1
1
1
1
4128G–8051–02/08
ADAT 2
ADAT 0
PRS 0
0
0
0