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23 ELECTRICAL CHARACTERISTICS
*1 The potential variation of the V
mounting board while the Flash is being programmed, as it affects the Flash memory characteristics (programming count).
*2 The V
–V
and C
–C
C1
C5
P1
P5
*3 Connect between the V
C4
be left open.
*4 The component values should be determined after performing matching evaluation of the resonator mounted on the printed cir-
cuit board actually used.
*5 R
are not required when using the debug pins as general-purpose I/O ports.
DBG1–2
*6 The component values should be determined after evaluating operations using an actual mounting board.
23.3 Current Consumption
Unless otherwise specified: V
DD
mode), PWGACTL.REGSEL bit = 1 (mode0), FLASHCWAIT.RDWAIT[1:0] bits = 0x1 (2 cycles)
Item
Symbol
Current
I
IOSC = OFF, OSC1 = OFF, OSC3 = OFF, V
SLP1
consumption in
I
IOSC = OFF, OSC1 = OFF, OSC3 = OFF, V
SLP2
SLEEP mode
PWGACTL.REGSEL bit = 0 (mode1)
I
IOSC = OFF, OSC1 = 32 kHz
SLP3
I
IOSC = OFF, OSC1=32 kHz
SLP4
PWGACTL.REGSEL bit = 0 (mode1)
Current
I
IOSC = 20 MHz, OSC1 = 32 kHz
HALT1
consumption in
I
IOSC = OFF, OSC1 = 32 kHz
HALT2
HALT mode
V
DD
I
IOSC = OFF, OSC1 = 32 kHz
HALT3
V
DD
I
IOSC = OFF, OSC1 = 32 kHz
HALT4
SYSCLK = OSC3
Current
I
IOSC = 20 MHz, OSC1 = 32 kHz
RUN1 *3
consumption in
FLASHCWAIT.RDWAIT[1:0] bis = 0x2 (3 cycles)
RUN mode
I
IOSC = 16 MHz, OSC1 = 32 kHz
RUN2 *3
I
IOSC = 8 MHz, OSC1 = 32 kHz
RUN3 *3
FLASHCWAIT.RDWAIT[1:0] bits = 0x0 (1 cycle )
I
IOSC = 2 MHz, OSC1 = 32 kHz
RUN4 *3
PWGACTL.REGSEL bit = 0 (mode1)
I
IOSC = OFF, OSC1 = 32 kHz
RUN5 *3
V
DD
I
IOSC = OFF, OSC1 = 32 kHz
RUN6 *3
V
DD
FLASHCWAIT.RDWAIT[1:0] bits = 0x0 (1 cycle)
I
IOSC = OFF, OSC1 = 32 kHz
RUN7 *3
SYSCLK = OSC3, FLASHCWAIT.RDWAIT[1:0] bits = 0x0 (1 cycle)
*1 OSC1 oscillator: CLGOSC1.INV1N[1:0] bits = 0x0, CLGOSC1.CGI1[2:0] bits = 0x0, CLGOSC1.OSDEN bit = 0,
C
= C
= 0 pF, Crystal resonator = C-002RX (manufactured by Seiko Epson Corporation, R
G1
D1
*2 OSC3 oscillator: CLGOSC3.OSC3MD[1:0] bits = 0x2, CLGOSC3.OSC3INV[1:0] bits = 0x0, C
*3 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.
Current consumption-temperature characteristic
IOSC = OFF, OSC1 = OFF, OSC3 = OFF, Typ. value
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
-50
-25
0
23-2
voltage should be suppressed to within ±0.3 V on the basis of the ground potential of the MCU
SS
pins can be left open when the LCD driver is not used.
and V
pins when the LCD power supply circuit is configured for 1/4 bias. Also the C
C5
= 1.8 to 3.6 V, V
= 0 V, Ta = 25 °C, EXOSC = OFF, PWGACTL.REGMODE[1:0] bits = 0x0 (automatic
SS
Condition
, OSC3 = OFF, RTCA = ON, V
*1
, OSC3 = OFF, RTCA = ON, V
*1
, OSC3 = OFF, SYSCLK = IOSC
*1
, OSC3 = OFF, SYSCLK = OSC1,
*1
= 3.3 V
, OSC3 = OFF, SYSCLK = OSC1,
*1
= 3.3 V, PWGACTL.REGSEL bit = 0 (mode1)
, OSC3 = 8 MHz (ceramic oscillator)
*1
, OSC3 = OFF, SYSCLK = IOSC,
*1
, OSC3 = OFF, SYSCLK = IOSC
*1
, OSC3 = OFF, SYSCLK = IOSC,
*1
, OSC3 = OFF, SYSCLK = IOSC,
*1
, OSC3 = OFF, SYSCLK = OSC1,
*1
= 3.3V, FLASHCWAIT.RDWAIT[1:0] bits = 0x0 (1 cycle)
, OSC3 = OFF, SYSCLK = OSC1,
*1
= 3.3V, PWGACTL.REGSEL bit = 0 (mode1),
, OSC3 = 8 MHz (ceramic oscillator)
*1
25
50
75
100
Ta [°C]
Seiko Epson Corporation
= 3.3 V
DD
= 3.3V,
DD
= 3.3 V
DD
= 3.3 V,
DD
,
*2
,
*2
G3
in SLEEP mode
–C
pins can
P4
P5
Min.
Typ.
Max.
Unit
–
0.40
3.5
–
0.37
3.0
–
0.9
5.5
–
0.8
5.0
–
920
1,100
–
1.7
7.5
–
1.3
7.0
–
370
500
–
4,400
5,000
–
4,000
4,500
–
2,400
2,700
–
300
400
–
10
15
–
7
10
–
2,300
2,600
= 50 kW (Max.), C
= 7 pF)
1
L
= C
= 10 pF
D3
S1C31W74 TECHNICAL MANUAL
(Rev. 1.1)
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
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