Preliminary
CBC34123 EnerChip™ RTC
16
1
OSCI
OSCO
MONITOR
OFFSET FUNCTION
0Dh
Offset_register
OSCILLATOR
32.768 kHz
CLKOE
DIVIDER
CLOCKOUT
CLKOUT
11
12
6
7
15
VCHG
VEC
EN
14 RESET
ENERCHIP
AND
CHARGER
TIMER FUNCTION
0Eh
0Fh
Timer_clkout
Countdown_timer
CONTROL
00h
2
13
5
TEST
VDD
VSS
WATCH
DOG
POWERON
RESET
01h
Control_1
Control_2
TIME
02h
03h
04h
05h
06h
8
9
10
4
SDO
SDI
SCL
CE
09h
0Ah
0Bh
0Ch
ALARM FUNCTION
Minute_alarm
Hour_alarm
Day_alarm
Weekday_alarm
07h
SPI
INTERFACE
08h
Seconds
Minutes
Hours
Days
Weekdays
Months
Years
INTERRUPT
INT
3
Figure 2: CBC34123 Block Diagram with Registers
Figure 3: Internal Schematic of CBC34123 EnerChip RTC
DS-72-31 V.08
©2012 Cymbet Corporation • Tel: +1-763-633-1780 • www.cymbet.com
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