ST7LIT15BF0 STMicroelectronics, ST7LIT15BF0 Datasheet - Page 7

• Manufacturer Part Number: ST7LIT15BF0
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, 5 TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7LIT15BF0

• Up To 4 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55˚C.
• 128 Bytes Data Eeprom With Read-out Protection. 300k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55˚C.
• Clock Sources: Internal 1% RC oscillator (on ST7FLITE15B and ST7FLITE19B), crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Auto Wake-up from Halt, Wait and Slow

PIN DESCRIPTION (Cont’d)
Legend / Abbreviations for
Type:
In/Output level: C
Output level:
Port and control configuration:
The RESET configuration of each pin is shown in bold which is valid as long as the device is in reset state.
Table 1. Device Pin Description
– Input:
– Output:
10
11
1
2
3
4
5
6
7
8
9
Pin No.
19
20
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
-
-
V
V
RESET
PB0/COMPIN+/
AIN0/SS
PB1/AIN1/SCK
PB2/AIN2/MISO
PB3/AIN3/MOSI
PB4/AIN4/CLKIN/
COMPIN-
PB5/AIN5
PB6/AIN6
PA7/COMPOUT
SS
DD
I = input, O = output, S = supply
HS = 20mA high sink (on N-buffer only)
float = floating, wpu = weak pull-up, int = interrupt, ana = analog
OD = open drain, PP = push-pull
Pin Name
1)
1)
T
= CMOS 0.3V
Table
I/O C
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O C
S
S
DD
Level
1:
T
T
/0.7V
C
C
C
C
C
C
C
HS X
T
T
T
T
T
T
T
DD
X
X
X
X
X
X
X
with input trigger
Port / Control
Input
X
ei3
ei2
ei1
X
X
X
X
X
X
X
Output
X
X
X
X
X
X
X
X
X
X Port B0
X Port B1
X Port B2
X Port B3
X Port B4
X Port B5
X Port B6
X Port A7
Ground
Main power supply
Top priority non maskable interrupt (active low)
Function
reset)
(after
Main
ADC Analog Input 0
Select (active low) or Analog Com-
parator Input
Caution: No negative current in-
jection allowed on this pin.
ADC Analog Input 1
Clock
ADC Analog Input 2
ter In/ Slave Out Data
ADC Analog Input 3
ter Out / Slave In Data
ADC Analog Input 4
clock input or Analog Comparator
External Reference Input
ADC Analog Input 5
ADC Analog Input 6
Analog Comparator Output
Alternate Function
ST7LITE1xB
2)
2)
2)
2)
2)
2)
2)
or SPI Serial
or SPI Slave
or SPI Mas-
or SPI Mas-
or External
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