T89C5115 ATMEL Corporation, T89C5115 Datasheet - Page 83

• Manufacturer Part Number: T89C5115
• Description: Low Pin Count 8-bit MCU with A/D Converter and 16-Kbytes of Flash Memory
• Manufacturer: ATMEL Corporation

4128A–8051–04/02
Table 57. ADCLK Register
ADCLK (S:F2h)
ADC Clock Prescaler
Reset Value = XXX0 0000b
Table 58. ADDH Register
ADDH (S:F5h Read Only)
ADC Data High byte register
Reset Value = 00h
Table 59. ADDL Register
ADDL (S:F4h Read Only)
ADC Data Low byte register
Reset Value = 00h
Number
Number
Number
ADAT 9
Bit
Bit
Bit
7-5
4-0
7-0
7-2
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
f
ADC result
bits 9-2
Reserved
The value read from these bits are indeterminate. Do not set these bits.
ADC result
bits 1-0
ADC
ADAT 7
= fcpu clock/ (4 (or 2 in X2 mode)* (PRS +1))
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
T89C5115
PRS 1
1
1
1
ADAT 2
ADAT 0
PRS 0
0
0
0
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