
ADuC7019/20/21/22/24/25/26/27/28
Rev. B | Page 3 of 92
REVISION HISTORY
3/07—Rev. A to Rev. B
Added ADuC7028 Part ..................................................... Universal
Updated Format.................................................................. Universal
Changes to Figure 2...........................................................................5
Changes to Table 1 ............................................................................6
Changes to ADuC7026/ADuC7027 Section ...............................23
Changes to Figure 21 ......................................................................28
Changes to Figure 32 Caption .......................................................30
Changes to Table 14 ........................................................................35
Changes to ADC Circuit Overview Section ................................38
Changes to Programming Section ................................................44
Changes to Flash/EE Control Interface Section..........................45
Changes to Table 24 ........................................................................47
Changes to RSTCLR Register Section ..........................................48
Changes to Figure 52 ......................................................................49
Changes to Figure 53 ......................................................................50
Changes to Comparator Section ...................................................50
Changes to Oscillator and PLL—Power Control Section ..........51
Changes to Digital Peripherals Section........................................54
Changes to Interrupt System Section ...........................................75
Changes to Timers Section ............................................................76
Changes to External Memory Interfacing Section .....................80
Added IOVDD Supply Sensitivity Section .....................................84
Changes to Ordering Guide...........................................................90
1/06—Rev. 0 to Rev. A
Changes to Table 1 ............................................................................6
Added the Flash/EE Memory Reliability Section .......................43
Changes to Table 30 ........................................................................52
Changes to Serial Peripheral Interface .........................................66
Changes to Ordering Guide...........................................................90
10/05—Revision 0: Initial Version