ISD94100 Series Technical Reference Manual
Sep 9, 2019
Page
58
of 928
Rev1.09
IS
D
9
410
0
S
ER
IE
S
T
E
C
HN
ICA
L
RE
F
E
RE
NCE
M
AN
U
AL
Normal Mode
Idle Mode
PD, LLPD
SPD0, SPD1
DPD
HXT
ON
ON
Halt
Halt
Halt
HIRC
ON
ON
Halt
Halt
Halt
LXT
ON
ON
ON/OFF
1
ON/OFF
1
Halt
LIRC
ON
ON
ON
ON
ON/OFF
2
PLL
ON
ON
Halt
Halt
Halt
HCLK/PCLK
ON
ON
Halt
Halt
Halt
CPU
ON
Halt
Halt
Halt
Halt
SRAM retention
ON
ON
ON
Halt
Halt
FLASH
ON
ON
Halt
Halt
Halt
TIMER
ON
ON
ON/OFF
3
Halt
Halt
WDT
ON
ON
ON/OFF
4
Halt
Halt
RTC
ON
ON
ON/OFF
5
ON/OFF
5
Halt
UART
ON
ON
ON/OFF
6
Halt
Halt
Others
ON
ON
Halt
Halt
Halt
Table 6.2.5-4 Clocks in Power Modes
Note:
1. LXT ON or OFF depends on S/W setting in normal mode.
2. LIRC ON or OFF depends on S/W setting in normal mode.
3. If TIMER clock source is selected as LIRC/LXT and LIRC/LXT is on.
4. If WDT clock source is selected as LIRC and LIRC is on.
5. If RTC clock source is selected as LXT and LXT is on.
6. If UART clock source is selected as LXT and LXT is on.
