Datasheet
Section 25 Electrical Characteristics 
Page 1230 of 1384    R01UH0310EJ0500 Rev. 5.00 
 Sep 25, 2012 
H8S/2426, H8S/2426R, H8S/2424 Group
25.1.5  D/A Conversion Characteristics 
Table 25.12  D/A Conversion Characteristics 
Conditions: V
CC
 = 3.0 V to 3.6 V, AV
CC
 = 3.0 V to 3.6 V, V
ref
 = 3.0 V to AV
CC
, V
SS
 = AV
SS
 = 0 V, 
φ = 8 MHz to 33 MHz 
Item Min. Typ. Max. Unit Test Conditions 
Resolution  8 8 8 Bit  
Conversion time  ⎯  ⎯ 10 μs  20 pF capacitive load 
Absolute accuracy  ⎯  ±2.0 ±3.0 LSB 2 MΩ resistive load 
  ⎯  ⎯ ±2.0 LSB 4 MΩ resistive load 
25.1.6  Flash Memory Characteristics 
Table 25.13  Flash Memory Characteristics 
Conditions: V
CC
 = 3.0 V to 3.6 V, AV
CC
 = 3.0 V to 3.6 V, V
ref
 = 3.0 V to AV
CC
, V
SS
 = AV
SS
 = 0 V, 
φ = 8 MHz to 33 MHz 
Standard value  Unit 
Item Applicable area Min. Typ. Max.  
User ROM  1000*
2
  ⎯  ⎯ Programming and erase count*
1
Data flash area  10000*
2
  ⎯  ⎯ 
Times 
User ROM  ⎯ 150 4000 Programming time 
(per 4 bytes) 
Data flash area  ⎯ 300 4000 
μs 
User ROM  ⎯ 300 3000 Erase time (per 1 block) 
Data flash area  ⎯ 300 3000 
ms 
User ROM  3.0 Programming and erase voltage 
Data flash area   
⎯ 3.6 V 
User ROM Read voltage 
Data flash area 
3.0  ⎯ 3.6 V 
User ROM  1  ⎯  ⎯ Access state 
Data flash area  2  ⎯  ⎯ 
State 










