1 OVERVIEW
S1C31D50/D51 TECHNICAL MANUAL
Seiko Epson Corporation
1-3
(Rev. 2.00)
S1C31D50/D51 lineup
48-pin package
64-pin package
80-pin package
100-pin package
Current consumption (Typ. value)
SLEEP mode
*
1
0.46 µA
IOSC = OFF, OSC1 = OFF, OSC3 = OFF
0.95 µA
IOSC = OFF, OSC1 = 32.768 kHz (crystal oscillator), OSC3 = OFF, RTCA = ON
HALT mode
*
2
1.8 µA
IOSC = OFF, OSC1 = 32.768 kHz (crystal oscillator), OSC3 = OFF
RUN mode
250 µA/MHz
V
D1
voltage mode = mode0, CPU = IOSC
155 µA/MHz
V
D1
voltage mode = mode1, CPU = IOSC
Shipping form
Package
*
3
TQFP12-48PIN
(P-TQFP048-0707-0.50,
7
×
7 mm, t = 1.2 mm,
0.5 mm pitch)
QFP13-64PIN
(P-LQFP064-1010-0.50,
10
×
10 mm, t = 1.7 mm,
0.5 mm pitch)
TQFP14-80PIN
(P-TQFP080-1212-0.50,
12
×
12 mm, t = 1.2 mm,
0.5 mm pitch)
QFP15-100PIN
(P-LQFP100-1414-0.50,
14
×
14 mm, t = 1.7 mm,
0.5 mm pitch)
*
1 SLEEP mode refers to deep sleep mode in the Cortex
®
-M0+ processor.
*
2 HALT mode refers to sleep mode in the Cortex
®
-M0+ processor.
*
3 Shown in parentheses are JEITA package names.
1.2 Block Diagram
CPU core, interrpt controller, and debuger
(Cortex
®
-M0+)
HW processor
(HWP)
System clock
Interrupt signal
DMA request signal
SWCLK
SWD
Cache controller
Cache RAM
512 bytes
RAM
8K bytes (D50)
10K bytes (D51)
RAM
14K bytes (D50)
12K bytes (D51)
MTB
16-bit peripheral bus
32-bit AHB bus
IOSC
oscillator
EXOSC
input circuit
Clock generator
(CLG)
Power generator
(PWGA)
V
DD
V
SS
V
D1
RTC1S
SDA0–2
SCL0–2
EXSVD0–1
P0
*
P1
*
P2
*
P3
*
P4
*
P5
*
P6
*
P7
*
P8
*
P9
*
PA
*
PD
*
FOUT
OSC1
OSC2
OSC3
OSC4
EXOSC
OSC3
oscillator
OSC1
oscillator
I/O port 01
(PPORT)
I/O port 23
(PPORT)
I/O port others
(PPORT)
Watchdog timer
(WDT2)
Real-time clock
(RTCA)
I
2
C
(I2C)
3 Ch.
Supply voltage
detector
(SVD3)
1 Ch.
16-bit timer
(T16)
8 Ch.
TOUT00–03
TOUT10–13
CAP00–03
CAP10–13
EXCL00–03
EXCL10–13
16-bit PWM timer
(T16B)
2 Ch.
V
DDQSPI
QSDIO00–03
QSPICLK0
#QSPISS0
V
PP
Flash memory
192K bytes
Quad
synchronous
serial interface
(QSPI)
1 Ch.
SDI0–2
SDO0–2
SPICLK0–2
#SPISS0–2
Synchronous
serial interface
(SPIA)
3 Ch.
USIN0–2
USOUT0–2
UART
(UART3)
3 Ch.
DMA controller
REMO
CLPLS
IR remote
controller
(REMC3)
1 Ch.
SDACOUT_P
SDACOUT_N
Sound DAC
(SDAC)
1 Ch.
#ADTRG0
ADIN0
*
VREFA0
12-bit A/D
converter
(ADC12A)
1 Ch.
Power-on reset
(POR)
System reset controller
(SRC)
#RESET
Brown-out reset
(BOR)
R/F converter
(RFC)
1 Ch.
RFIN0
REF0
SENA0
SENB0
RFCLKO0
*
The pin configuration depends on the package. For detailed information, refer to Section 1.3, “Pins.”
Figure 1.2.1 S1C31D50/D51 Block Diagram