STM8L151K6U3 STMICROELECTRONICS [STMicroelectronics], STM8L151K6U3 Datasheet - Page 81

• Manufacturer Part Number: STM8L151K6U3
• Description: 8-bit ultralow power MCU, up to 32 KB Flash, 1 KB Data EEPROM RTC, LCD, timers, USART, I2C, SPI, ADC, DAC, comparators
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STM8L151xx, STM8L152xx
8.3.8
Figure 18. Typical application with I
1. Measurement points are done at CMOS levels: 0.3 x V
LCD controller (STM8L152xx only)
1. Data guaranteed by Design, not tested in production.
2. LCD enabled with 3 V internal booster (LCD_CR1 = 0x08), 1/4 duty, 1/3 bias, division ratio= 64, all pixels
Table 39.
active, no LCD connected.
Symbol
V
V
V
V
V
V
V
V
V
Cext
V
V
V
V
LCD0
LCD1
LCD2
LCD3
LCD4
LCD5
LCD6
LCD7
I
R
R
V
LCD
DD
33
23
12
13
H
0
L
SDA
SCL
I
2
t
C BUS
f(SDA)
LCD characteristics
Segment/Common higher level voltage
Segment/Common lowest level voltage
t
h(STA)
Segment/Common 1/3 level voltage
Segment/Common 2/3 level voltage
Segment/Common 1/2 level voltage
LCD internal reference voltage 0
LCD internal reference voltage 1
LCD internal reference voltage 2
LCD internal reference voltage 3
LCD internal reference voltage 4
LCD internal reference voltage 5
LCD internal reference voltage 6
LCD internal reference voltage 7
Supply current
START
Supply current
High drive resistive network
Low drive resistive network
V
4.7kΩ
t
LCD
w(SCKH)
t
r(SDA)
LCD external voltage
V
external capacitance
DD
Parameter
t
w(SCKL)
Doc ID 15962 Rev 2
4.7kΩ
(2)
(2)
(1)
at V
V
at V
DD
t
su(SDA)
DD
t
r(SCK)
DD
100Ω
100Ω
2
C bus and timing diagram
= 1.8 V
= 3 V
t
h(SDA)
t
f(SCK)
DD
SDA
SCL
and 0.7 x V
STM8L
Min
0.1
0
DD
2/3V
1/2V
1/3V
TBD
TBD
TBD
TBD
Typ
2.6
2.7
2.8
2.9
3.0
3.1
3.2
3.3
t
LCDx
LCDx
LCDx
su(STA)
Electrical parameters
1)
t
su(STO)
t
V
w(STO:STA)
STOP
Max.
3.6
LCDx
2
REPEATED START
START
81/101
Unit
MΩ
µF
kΩ
V
V
V
V
V
V
V
V
V
V
V
V
V
V