Seiko Epson Corporation
S1C31D50 TECHNICAL MANUAL
(Rev. 1.00)
23-2
23.3.
Current Consumption
Unless otherwise specified: V
DD
= 1.8 to 5.5 V, V
SS
= 0 V, Ta = 25 °C, EXOSC = OFF, PWGACTL.REGMODE[1:0]
bits = 0x0 (automatic mode), PWGACTL.REGSEL bit = 1 (mode0), FLASHCWAIT.RDWAIT[1:0] bits = 0x1 (2
cycles)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Current
consumption in
SLEEP mode
I
SLP1
IOSC = OFF, OSC1 = OFF, OSC3 = OFF
–
0.46
4
µA
I
SLP2
IOSC = OFF, OSC1 = OFF, OSC3 = OFF, PWGACTL.REGSEL bit = 0 (mode1)
–
0.43
3.5
µA
I
SLP3
IOSC = OFF, OSC1 = 32.768 kHz
*1
, OSC3 = OFF, RTCA = ON
–
0.95
6
µA
I
SLP4
IOSC = OFF, OSC1=32.768 kHz
*1
, OSC3 = OFF, RTCA = ON,
PWGACTL.REGSEL bit = 0 (mode1)
–
0.85
5.5
µA
Current
consumption in
HALT mode
I
HALT1
IOSC = 8 MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF, SYSCLK = IOSC
–
570
710
µA
I
HALT2
IOSC = 2MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF, SYSCLK = IOSC
–
140
172
µA
I
HALT3
IOSC = 2MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF,
SYSCLK = IOSC, PWGACTL.REGSEL bit = 0 (mode1)
–
80
100
µA
I
HALT4
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = OFF, SYSCLK = OSC1
–
1.8
8.0
µA
IOSC = OFF, OSC1 = 32 kHz*2, OSC3 = OFF, SYSCLK = OSC1
–
2.8
12.0
µA
I
HALT5
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = OFF,
SYSCLK = OSC1, PWGACTL.REGSEL bit = 0 (mode1)
–
1.4
7.5
µA
IOSC = OFF, OSC1 = 32 kHz*2, OSC3 = OFF,
SYSCLK = OSC1, PWGACTL.REGSEL bit = 0 (mode1)
–
2.4
11.5
µA
I
HALT6
IOSC = OFF, OSC1 = 32.768 kHz*1,
OSC3 = 16 MHz (ceramic oscillator)*3 , SYSCLK = OSC3
–
830
1050
µA
I
HALT7
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = 16 MHz (CR), SYSCLK = OSC3
–
850
1060
µA
current
consumption in
RUN mode
I
RUN1
*4
IOSC = 8 MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF, SYSCLK = IOSC
–
2,100
2,580
µA
I
RUN2
*4
IOSC = 2 MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF,
SYSCLK = IOSC
–
520
650
µA
I
RUN3*4
IOSC = 2 MHz, OSC1 = 32.768 kHz*1, OSC3 = OFF,
SYSCLK = IOSC, PWGACTL.REGSEL bit = 0 (mode1)
–
310
390
µA
I
RUN4*4
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = OFF, SYSCLK = OSC1
–
8
14
µA
IOSC = OFF, OSC1 = 32 kHz*2, OSC3 = OFF, SYSCLK = OSC1
10
18
µA
I
RUN5*4
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = OFF,
SYSCLK = OSC1, PWGACTL.REGSEL bit = 0 (mode1)
–
7
12
µA
IOSC = OFF, OSC1 = 32 kHz*2, OSC3 = OFF,
SYSCLK = OSC1, PWGACTL.REGSEL bit = 0 (mode1)
–
7.5
14
µA
I
RUN6*4
IOSC = OFF, OSC1 = 32.768 kHz*1,
OSC3 = 16 MHz (ceramic oscillator)*3, SYSCLK = OSC3
–
3,880
4,780 µA
I
RUN7*4
IOSC = OFF, OSC1 = 32.768 kHz*1, OSC3 = 16 MHz(CR), SYSCLK = OSC3
–
3,890
4,800
µA
I
RUN8*5
IOSC = OFF, OSC1 = OFF, OSC3 = 16 MHz, SYSCLK = OSC3, VOICE = ON
–
7,083
8,500 µA
*1 OSC1 oscillator: CLGOSC1.OSC1SELCR bit = 0, CLGOSC1.INV1N[1:0] bits = 0x0, CLGOSC1.CGI1[2:0] bits = 0x0, CLGOSC1.
OSDEN bit = 0, C
G1
= C
D1
= 0 pF, Crystal resonator = C-002RX (manufactured by Seiko Epson Corporation, R
1
= 50 kW (Max.), C
L
= 7 pF)
*2 OSC1 oscillator: CLGOSC1.OSC1SELCR bit = 1
*3 OSC3 oscillator: CLGOSC3.OSC3INV[1:0] bits = 0x0, C
G3
= C
D3
= 10 pF
*4 The current consumption values were measured when a test program consisting of 60.5 % ALU instructions, 17 % branch instruc-
tions, 12 % RAM read instructions, and 10.5 % RAM write instructions was executed continuously in the Flash memory.
*5 The current consumption values were measured when VOICE is 2-channels playing and TSM=125%. CPU is idle.
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