aduc7032 Analog Devices, Inc., aduc7032 Datasheet - Page 70

• Manufacturer Part Number: aduc7032
• Description: Microconverter Integrated, Precision Battery Sensor
• Manufacturer: Analog Devices, Inc.

Preliminary Technical Data
PLLCON Pre-write Key PLLKEY0:
Name :
Address :
Default Value :
Access :
Key:
Function :
PLLCON Register :
Name :
Address :
Default Value :
Access :
Function :
1
POWCON Pre-write Key POWKEY0:
Name :
Address :
Default Value :
Access :
Key:
Function :
Bit
If user code switches MCU clock sources, a dummy MCU cycle should be included after the clock switch is written to PLLCON.
31-3
1-0
2
Description
Reserved, these bits should be written as 0 by user code
Not Used, must be written 0 by user software.
PLL Clock Source
00
01
10
11
PLLKEY0
0xFFFF0410
0x00000000
Write Only
0x000000AA
PLLCON is a keyed register that requires a
32 Bit key value to be written before and
after PLLCON. PLLKEY0 is the Pre-Write
Key
PLLCON
0xFFFF0414
0x00
Read/Write
This 8-bit register allows user code dynamically select the PLL source clock from three different oscillator sources.
POWKEY0
0xFFFF0404
0x00000000
Write Only
0x00000001
POWCON is a keyed register that requires a
32 Bit key value to be written before and
after POWCON. POWKEY0 is the Pre-
Write Key
1
Low Power 131kHz oscillator
Precision 131kHz oscillator
External 32.768kHz Crystal
Reserved
Table 36: PLLCON MMR Bit description
Rev. PrD | Page 70 of 128
PLLCON Pre-write Key PLLKEY1:
Name :
Address :
Default Value :
Access :
Key:
Function :
POWCON Pre-write Key POWKEY1:
Name :
Address :
Default Value :
Access :
Key:
Function :
PLLKEY1
0xFFFF0418
0x00000000
Write Only
0x00000055
PLLCON is a keyed register that requires a
32 Bit key value to be written before and
after PLLCON. PLLKEY1 is the Post-Write
Key
POWKEY1
0xFFFF040C
0x00000000
Write Only
0x000000F4
POWCON is a keyed register that requires a
32 Bit key value to be written before and
after POWCON. POWKEY1 is the Post-
Write Key
ADuC7032