Users Manual
Table Of Contents
- 45. 12-Bit D/A Converter (R12DAA)
- 46. Temperature Sensor (TEMPSA)
- 47. Comparator B (CMPBa)
- 47.1 Overview
- 47.2 Register Descriptions
- 47.2.1 Comparator B1 Control Register 1 (CPB1CNT1)
- 47.2.2 Comparator B1 Control Register 2 (CPB1CNT2)
- 47.2.3 Comparator B1 Flag Register (CPB1FLG)
- 47.2.4 Comparator B1 Interrupt Control Register (CPB1INT)
- 47.2.5 Comparator B1 Filter Select Register (CPB1F)
- 47.2.6 Comparator B1 Mode Select Register (CPB1MD)
- 47.2.7 Comparator B1 Reference Input Voltage Select Register (CPB1REF)
- 47.2.8 Comparator B1 Output Control Register (CPB1OCR)
- 47.3 Operation
- 47.4 Comparator B2 and Comparator B3 Interrupts
- 47.5 Usage Note
- 48. Data Operation Circuit (DOC)
- 49. RAM
- 50. Flash Memory (FLASH)
- 50.1 Overview
- 50.2 ROM Area and Block Configuration
- 50.3 E2 DataFlash Area and Block Configuration
- 50.4 Register Descriptions
- 50.4.1 E2 DataFlash Control Register (DFLCTL)
- 50.4.2 Flash P/E Mode Entry Register (FENTRYR)
- 50.4.3 Protection Unlock Register (FPR)
- 50.4.4 Protection Unlock Status Register (FPSR)
- 50.4.5 Flash P/E Mode Control Register (FPMCR)
- 50.4.6 Flash Initial Setting Register (FISR)
- 50.4.7 Flash Reset Register (FRESETR)
- 50.4.8 Flash Area Select Register (FASR)
- 50.4.9 Flash Control Register (FCR)
- 50.4.10 Flash Extra Area Control Register (FEXCR)
- 50.4.11 Flash Processing Start Address Register H (FSARH)
- 50.4.12 Flash Processing Start Address Register L (FSARL)
- 50.4.13 Flash Processing End Address Register H (FEARH)
- 50.4.14 Flash Processing End Address Register L (FEARL)
- 50.4.15 Flash Write Buffer Register n (FWBn) (n = 0 to 3)
- 50.4.16 Flash Status Register 0 (FSTATR0)
- 50.4.17 Flash Status Register 1 (FSTATR1)
- 50.4.18 Flash Error Address Monitor Register H (FEAMH)
- 50.4.19 Flash Error Address Monitor Register L (FEAML)
- 50.4.20 Flash Start-Up Setting Monitor Register (FSCMR)
- 50.4.21 Flash Access Window Start Address Monitor Register (FAWSMR)
- 50.4.22 Flash Access Window End Address Monitor Register (FAWEMR)
- 50.4.23 Unique ID Register n (UIDRn) (n = 0 to 3)
- 50.5 Start-Up Program Protection
- 50.6 Area Protection
- 50.7 Programming and Erasure
- 50.8 Boot Mode
- 50.9 Flash Memory Protection
- 50.10 Communication Protocol
- 50.10.1 State Transition in Boot Mode (SCI Interface)
- 50.10.2 Command and Response Configuration
- 50.10.3 Response to Undefined Commands
- 50.10.4 Boot Mode Status Inquiry
- 50.10.5 Inquiry Commands
- 50.10.6 Setting Commands
- 50.10.7 ID Code Authentication Command
- 50.10.8 Program/Erase Commands
- 50.10.9 Read-Check Commands
- 50.11 Serial Programmer Operation in Boot Mode (SCI Interface)
- 50.11.1 Bit Rate Automatic Adjustment Procedure
- 50.11.2 Procedure to Receive the MCU Information
- 50.11.3 Procedure to Select the Device and Change the Bit Rate
- 50.11.4 Procedure for Transition to the Program/Erase Host Command Wait State
- 50.11.5 Procedure to Unlock Boot Mode ID Code Protection
- 50.11.6 Procedure to Erase the User Area and Data Area
- 50.11.7 Procedure to Program the User Area and Data Area
- 50.11.8 Procedure to Check Data in the User Area
- 50.11.9 Procedure to Check Data in the Data Area
- 50.11.10 Procedure to Set the Access Window in the User Area
- 50.12 Rewriting by Self-Programming
- 50.13 Usage Notes
- 50.14 Usage Notes in Boot Mode
- 51. Electrical Characteristics
- 51.1 Absolute Maximum Ratings
- 51.2 DC Characteristics
- 51.3 AC Characteristics
- 51.3.1 Clock Timing
- 51.3.2 Reset Timing
- 51.3.3 Timing of Recovery from Low Power Consumption Modes
- 51.3.4 Control Signal Timing
- 51.3.5 Timing of On-Chip Peripheral Modules
- 51.3.5.1 Timing of I/O Ports
- 51.3.5.2 Timing of MTU/TPU
- 51.3.5.3 Timing of POE
- 51.3.5.4 Timing of TMR
- 51.3.5.5 Timing of SCI
- 51.3.5.6 Timing of RIIC
- 51.3.5.7 Timing of RSPI
- 51.3.5.8 Timing of SSI
- 51.3.5.9 Timing of SDHI
- 51.3.5.10 Timing of A/D Converter Trigger
- 51.3.5.11 Timing of CAC
- 51.3.5.12 Timing of CLKOUT
- 51.3.5.13 Timing of CLKOUT_RF
- 51.4 USB Characteristics
- 51.5 A/D Conversion Characteristics
- 51.6 D/A Conversion Characteristics
- 51.7 Temperature Sensor Characteristics
- 51.8 Comparator Characteristics
- 51.9 CTSU Characteristics
- 51.10 Characteristics of Power-On Reset Circuit and Voltage Detection Circuit
- 51.11 Oscillation Stop Detection Timing
- 51.12 Battery Backup Function Characteristics
- 51.13 ROM (Flash Memory for Code Storage) Characteristics
- 51.14 E2 DataFlash Characteristics (Flash Memory for Data Storage)
- 51.15 BLE Characteristics
- 51.16 Usage Notes
- Appendix 1. Port States in Each Processing Mode
- Appendix 2. Package Dimensions
- REVISION HISTORY
- Colophon
- Address List
- Back cover
R01UH0823EJ0110 Rev.1.10 Page 1829 of 1852
Nov 30, 2020
RX23W Group 51. Electrical Characteristics
51.9 CTSU Characteristics
51.10 Characteristics of Power-On Reset Circuit and Voltage Detection Circuit
Note: These characteristics apply when noise is not superimposed on the power supply.
Note 1. n in the symbol Vdet0_n denotes the value of the OFS1.VDSEL[1:0] bits.
Note 2. n in the symbol Vdet1_n denotes the value of the LVDLVLR.LVD1LVL[3:0] bits.
Table 51.58 CTSU Characteristics
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item Symbol Min. Typ. Max. Unit Test Conditions
External capacitance connected to TSCAP pin C
tscap
91011nF
TS pin capacitive load C
base
— — 50 pF
Permissible output high current
ΣI
OH
— — –24 mA When the mutual
capacitance method is
applied
Table 51.59 Characteristics of Power-On Reset Circuit and Voltage Detection Circuit (1)
Conditions: 1.8 V ≤ VCC = VCC_USB = AVCC0 = VCC_RF = AVCC_RF ≤ 3.6 V, VSS = AVSS0 = VSS_USB = VSS_RF = 0 V,
T
a
= –40 to +85°C
Item Symbol Min. Typ. Max. Unit Test Conditions
Voltage detection
level
Power-on reset (POR) V
POR
1.35 1.50 1.65 V Figure 51.69, Figure 51.70
Voltage detection circuit
(LVD0)*
1
V
det0_1
2.70 2.82 3.00 V Figure 51.71
At falling edge VCC
V
det0_2
2.37 2.51 2.67
V
det0_3
1.80 1.90 1.99
Voltage detection circuit
(LVD1)*
2
V
det1_4
2.99 3.10 3.29 V Figure 51.72
At falling edge VCC
V
det1_5
2.89 3.00 3.19
V
det1_6
2.79 2.90 3.09
V
det1_7
2.68 2.79 2.98
V
det1_8
2.57 2.68 2.87
V
det1_9
2.47 2.58 2.67
V
det1_A
2.37 2.48 2.57
V
det1_B
2.10 2.20 2.30
V
det1_C
1.86 1.96 2.06
V
det1_D
1.80 1.86 1.96