S-35710

S-35710 is a Wakeup timer IC (1s to194days) made by ABLIC. This posting will provide the OSS-ECAL(Open Source Software for Electronic Components Abstraction Layer) for S-35710.
MCU interface : I2C, GPIO

CAUTION:Please be sure to refer to the latest version of the Datasheet prior to actual design.

S-35710

General description

The wake-up timer IC allows for intermittent system operation by periodically waking up the system.
The S-35710M compares the timer value and the value written to the internal register, and outputs a wake-up signal (interrupt signal) when the values match each other.
The timer of the S-35710M is a 24-bit binary-up counter.
The internal register data can be set freely by users via a 2-wire serial interface. Consequently, the time before the occurrence of a wake-up signal (interrupt signal) can be set freely.
Since the S-35710M has a built-in quartz crystal, a matching assessment of the IC and the quartz crystal is unnecessary.
Moreover, the number of external parts can also be reduced.

Feature
  • Built-in 32.768 kHz quartz crystal
  • Wake-up function (Alarm interrupt function): Settable on the second time scale from 1 second to 194 days
    (Approximately half a year)
  • Low current consumption: 0.25 μA typ. (VDD = 3.0 V, Ta = +25°C)
  • Wide range of operation voltage: 1.8 V to 5.5 V
  • 2-wire (I2C-bus) CPU interface
  • Operation temperature range: Ta = −40°C to +85°C
  • Lead-free (Sn 100%), halogen-free
Application
  • IoT communications device
  • Monitoring device
  • Security device
  • Battery system
  • Energy harvesting system

OSS-ECAL specification

API Function

etSTS oS35710( etCMD cmd, uint32 wut, stS35710_O* rlt )

Return value
Parameter IN

Parameter OUT

etSTS
etCMD cmd
uint32 wut
stS35710_O* rlt

OSS-ECAL status code
OSS-ECAL command code
Wake-up time 24bit [s]
Receive data from S-35710

etCMD
eCMD_CLEAR


Feature :
Command to clear the time register and wake-up time register to zero by setting the /RST pin to low.

Process :
1. /RST pin Low.
2. Wait until 438ms has passed (return value eSTS_EXE while waiting).

Command API function :
etSTS oS35710_CLEAR( void )

Return value :
eSTS_FIN
eSTS_EXE
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_GPIO_OBJECT


NOTE :
The 438ms elapsed time is calculated from the Thread cycle that calls this API function, so please set the Thread cycle to THREAD_OSS_ECAL_PERIOD[ms].
/RST pin continues Low. To count up the Wake-up time, execute the command eCMD_COUNTUP.

eCMD_COUNTUP

Feature :
Command to set the /RST pin to Hi and count up the time register.

Process :
1. /RST pin Hi.
2. Wait until 438ms has passed (return value eSTS_EXE while waiting).

Command API function :
etSTS oS35710_COUNTUP( void )

Return value:
eSTS_FIN
eSTS_EXE
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_GPIO_OBJECT


NOTE :
The 438ms elapsed time is calculated from the Thread cycle that calls this API function, so please set the Thread cycle to THREAD_OSS_ECAL_PERIOD[ms].
/RST pin continues Hi.

eCMD_WRITE_WUR

Feature :
Command to write wut value (24bit) to wake-up time register.

Process :
1. Write the value of wut (24bit) to the wake-up time register.

Command API function :
etSTS oS35710_WRITE_WUR( uint32 wut )

Return value :
eSTS_FIN
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT


NOTE :
Please do this when in the write mode (/RST pin Hi).

eCMD_READ_WUR

Feature :
Command to read the value of the wakeup time register (24bit) and save it in rlt.wakeup_reg.

Process :
1. Read the value of the wakeup time register (24bit) and save it in rlt.wakeup_reg

Command API function :
etSTS oS35710_READ_WUR( stS35710M_O* rlt )

Return value :
eSTS_FIN
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT


NOTE :
Please do this when in the write mode (/RST pin Hi).

eCMD_READ_TR

Feature :
Command to read the value of the time register (24bit) and save it to rlt.timer_reg.

Process :
1. Read the value of the time register (24bit) and save it to rlt.timer_reg.

Command API function :
etSTS oS35710_READ_TR( stS35710M_O* rlt )

Return value:
eSTS_FIN
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT


Note :

eCMD_DIAG_WUR

Feature :
Command to diagnose write to wake-up time register.

Process :
1. /RST pin Hi.
2. Wait until 438ms has passed (return value eSTS_EXE while waiting).
3. Write the value of wut (24bit) to the wake-up time register.
4. Read the value of wake-up time register (24bit).
5. Returns the comparison result between wut and wake-up time register value as the return value.
True … eSTS_FIN
False … eSTS_ERR_DIAG

Command API function :
etSTS oS35710_DIAG_WUR( uint32 wut )

Return value :
eSTS_FIN
eSTS_EXE
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT
eSTS_ERR_GPIO_OBJECT


Note :
The 438ms elapsed time is calculated from the Thread cycle that calls this API function, so please set the Thread cycle to THREAD_OSS_ECAL_PERIOD[ms].

eCMD_DIAG_TR

Feature :
Command to diagnose time register count up.

Process :
1. /RST pin Hi.
2. Wait until S35710_DIAG_TIME[s] have elapsed (return value eSTS_EXE while waiting).
3. Read the value of time register (24bit).
4. Returns the comparison result between S35710_DIAG_TIME[s] and the time register value as the return value.
True … eSTS_FIN
False … eSTS_ERR_DIAG

Command API function :
etSTS oS35710_DIAG_TR( void )

Return value :
eSTS_FIN
eSTS_EXE
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT
eSTS_ERR_GPIO_OBJECT


Note :
S35710_DIAG_TIME should be set to 1 (1 second) or more.
S35710_DIAG_TIME[s] The elapsed time is calculated from the Thread cycle that calls this API function, so please set the Thread cycle to THREAD_OSS_ECAL_PERIOD[ms].

eCMD_DIAG_CLEAR

Feature :
Command to diagnose zero-clearing of the time and wake-up time registers.

Process :
1. /RST pin Hi.
2. Wait until S35710_DIAG_TIME[s] have elapsed (return value eSTS_EXE while waiting).
3. Write the value of wut (24bit) to the wake-up time register.
4. /RST pin Low.
5. Wait until 438ms has passed (return value eSTS_EXE while waiting).
6. Read the value of time register (24bit).
7. /RST pin Hi.
8. Wait until S35710_DIAG_TIME[s] have elapsed (return value eSTS_EXE while waiting).
9. Read the value of wake-up time register (24bit).
10. Returns the zero check result of the time register value and wake-up time register value as the return value.
True … eSTS_FIN
False … eSTS_ERR_DIAG

Command API function :
etSTS oS35710_DIAG_CLEAR( uint32 wut )

Return value :
eSTS_FIN
eSTS_EXE
eSTS_ERR_HAL_I2C
eSTS_ERR_COMMAND_CODE
eSTS_ERR_OTHERS_RUN
eSTS_ERR_I2C_OBJECT
eSTS_ERR_GPIO_OBJECT


Note :
S35710_DIAG_TIME[s] and 438ms elapsed time are calculated from the Thread cycle that calls this API function, so please set the Thread cycle to THREAD_OSS_ECAL_PERIOD[ms].

stS35710M_O
uint32 timer_reg
uint32 wakeup_reg


Time register value[s]
Wake-up time register value[s]

Note : INT signal input should be handled by the user’s program.

Files
Folder*Filesummary
S35710_HALNAME/samplesample.c (.cpp)Sample Application Program
sample.hSample Application Header
S35710_HALNAMEoS35710.c (.cpp)OSS-ECAL Program for S-35710
oS35710.hOSS-ECAL Header for S-35710
oss_ecal.hOSS-ECAL Common Header (Ver 01.01.00 or later)
user_setting.c (.cpp)Const and Table of User setting
user_setting.hHeader of User setting
oHAL_i2c_stm32f4.cHAL Program for STM32Cube FW_F4
oHAL_i2c_stm32f4.hHAL Header for STM32Cube FW_F4
readme.mdReadme
OSS-ECAL Terms of Use.txtOSS-ECAL Terms of Use

* For HALNAME, please refer to HAL Support.

HAL Support List
MCU/Board
manufacturer
HALMCU*Development environment*HALNAME
ArduinoArduino 1.8.6ATmega2560
ATmega328P
Mega 2560 Rev3
Arduino Pro Mini 3.3V
ARDUINO
ARMMbed 6.17.0STM32F401RETxSTM32 Nucleo-64 boardsMBED
InfineonModusToolbox HAL Cat1 2.4.3CYBLE-416045-02CY8CPROTO-063-BLE PSoC 6 BLE Prototyping KitModusToolbox
NXPMCUXpresso SDK
iMXRT1051B_1052B
ksdk2_0
CYBLE-416045-02IMXRT1050-EVKBiMXRT1051B1052B
RenesasSSP 2.4.0R7FS7G27H3A01CFCS7G2 SKSSP
STMSTM32Cube FW_F4 V1.27.1STM32F401RETxSTM32 Nucleo-64 boardsSTM32F4

* MCU and development environment at the time of development. Even if the same HAL is used, different MCUs and development environments may not work together.

OSS-ECAL Download

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Built-in How to

How to incorporate OSS-ECAL into user programs

How to incorporate multiple OSS-ECALs in a user program (same MCU function)

How to incorporate multiple OSS-ECALs in a user program (different MCU function)

How to incorporate multiple identical electronic components into a user program

How to reduce the impact on user programs by replacing electronic components

OSS-ECAL English
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