T89C51CC02 Atmel, T89C51CC02 Datasheet - Page 120

• Manufacturer Part Number: T89C51CC02
• Description: 8-Bit MCU
• Manufacturer: Atmel

T89C51CC02
ADCLK (S:F2h)
ADC Clock Prescaler
Reset Value: XXX0 0000b
ADDH (S:F5h Read Only)
ADC Data High byte register
Reset Value: 00h
ADDL (S:F4h Read Only)
ADC Data Low byte register
Reset Value: 00h
120
Bit Number Bit Mnemonic
Bit Number Bit Mnemonic
Bit Number Bit Mnemonic
ADAT 9
7-5
4-0
7-0
7-2
1-0
7
7
7
-
-
ADAT 8
ADAT9:2
ADAT1:0
PRS4:0
6
6
6
-
-
-
-
Reserved
Clock Prescaler
ADC result
Reserved
ADC result
ADAT 7
The value read from these bits are indeterminate. Do not set these bits.
f
bits 9-2
The value read from these bits are indeterminate. Do not set these bits.
bits 1-0
ADC
5
5
5
-
-
= fosc / (4 (or 2 in X2 mode)* PRS)
Figure 123. ADCLK Register
Figure 124. ADDH Register
Figure 125. ADDL Register
Preliminary
ADAT 6
PRS 4
4
4
4
-
ADAT 5
PRS 3
3
3
3
-
Description
Description
Description
ADAT 4
PRS 2
2
2
2
-
ADAT 3
ADAT 1
PRS 1
Rev.A - May 17, 2001
1
1
1
ADAT 2
ADAT 0
PRS 0
0
0
0