31 ELECTRICAL CHARACTERISTICS
31-4
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Power
source
Current consumption during execution in double
frequency mode (CPU/CCU/IRAM)
SYSCLK = OSC3, CPU clock = 1/2 SYSCLK
I
DD4
SYSCLK = 36MHz
*
2,
*
3
CPU clock = 18MHz
–
7
–
mA
LV
DD
SYSCLK = 48MHz
*
2,
*
3
CPU clock = 24MHz
–
9
–
mA
Current consumption during execution in double
frequency mode (CPU/CCU/IRAM)
SYSCLK = PLL out, CPU clock = 1/2 SYSCLK
I
DD5
SYSCLK = 72MHz
*
2
CPU clock = 36MHz
–
14
–
mA
LV
DD
Current consumption during execution
(CPU/CCU/IRAM)
OSC3 = 48MHz, SYSCLK = OSC3,
MCLK = SYSCLK
I
DD6
CPU clock = 1/2 MCLK
*
1,
*
3
–
15
–
mA
LV
DD
CPU clock = 1/4 MCLK
*
1,
*
3
–
11
–
mA
CPU clock = 1/8 MCLK
*
1,
*
3
–
9
–
mA
Current consumption in HALT mode
(CPU/CCU/IRAM)
SYSCLK = OSC1, CPU clock = SYSCLK
I
HALT1
CPU clock = 32kHz
*
3,
*
4
–
3
–
µA
LV
DD
Current consumption in HALT mode
(CPU/CCU/IRAM)
SYSCLK = OSC3, CPU clock = SYSCLK
I
HALT2
CPU clock = 5MHz
*
1,
*
3
–
0.5
–
mA
LV
DD
CPU clock = 16MHz
*
1,
*
3
–
1.4
–
mA
CPU clock = 24MHz
*
1,
*
3
–
2.1
–
mA
CPU clock = 33MHz
*
1,
*
3
–
2.9
–
mA
CPU clock = 48MHz
*
1,
*
3
–
4.1
–
mA
Current consumption in HALT mode
(CPU/CCU/IRAM)
OSC3 = 48MHz, SYSCLK = PLL out (60MHz),
CPU clock = SYSCLK
I
HALT3
CPU clock = 60MHz
*
1
–
6
–
mA
LV
DD
Current consumption in SLEEP mode
SYSCLK = OSC3, CPU clock = SYSCLK
I
SLP
OSC3: Off, OSC1: Off
–
1.6
–
µA
LV
DD
RTC current consumption
I
RTC
RTC: Run, RTCCLK = 32kHz
PCLK2 = 48MHz, #STBY = Low
–
1.3
–
µA
RTCV
DD
RTC: Run, RTCCLK = 32kHz
PCLK2 = 10MHz, #STBY = High
–
70
–
µA
RTC: Run, RTCCLK = 32kHz
PCLK2 = 33MHz, #STBY = High
–
210
–
µA
RTC: Run, RTCCLK = 32kHz
PCLK2 = 48MHz, #STBY = High
–
300
–
µA
RTC: Run, RTCCLK = 32kHz
PCLK2 = 60MHz, #STBY = High
–
410
–
µA
USB current consumption during idle
I
USB
USB: Snooze mode
USBCLK = 48MHz
–
3.7
–
mA
LV
DD
LCDC current consumption during idle
I
LCDC
LCDC: Power save mode
LCLK = 48MHz
–
0.1
–
mA
LV
DD
LCDC: Normal mode
LCLK = 48MHz
–
0.2
–
mA
BCLK and SDCLK group current consumption
during idle (SRAMC, SDRAMC)
I
BUS
BCLK, SDCLK = 48MHz
–
4.1
–
mA
LV
DD
PCLK1 group current consumption during idle
(PSC Ch.0, T8 Ch.0/2/4/6, USI, FSIO Ch.0,
T16A5 Ch0/1, I2S, T16P, MISC)
I
PCLK1
PCLK1 = 48MHz
–
2.6
–
mA
LV
DD
PCLK2 group current consumption during idle
(PSC Ch.1, T8 Ch.1/3/5/7, USIL, FSIO Ch.1,
WDT, GPIO, BBRAM, ITC, REMC,
CCU/SRAMC/SDRAMC/LCDC/RTC registers)
I
PCLK2
PCLK2 = 48MHz
–
4.8
–
mA
LV
DD
GE current consumption during idle
I
GE
When GCLK only is supplied
GCLK = 48MHz
–
5.5
–
mA
LV
DD
ADC10 current consumption
I
ADC10
On
–
260
–
µA
AV
DD
Off
–
0.5
–
µA
PLL current consumption
I
PLL
48MHz input
→
60MHz output
–
2
–
mA
PLLV
DD
Off
–
0.8
–
µA
*
1) • The program is executed in IRAM in Area 0.
• The OSC1 and peripheral module clocks are all disabled (off).
• The SSCG circuit is disabled (off).
• A GPIO port is used as the SDCLK port.
• The GPIO ports are all configured to input with pulled up (no floating input).
• The current consumption is measured by executing a test program that consists of 51% load instructions, 21% arithmetic opera-
tion instructions, 10% branch instructions and 18% ext instructions.