ST7FLITE29 STMICROELECTRONICS [STMicroelectronics], ST7FLITE29 Datasheet - Page 7

• Manufacturer Part Number: ST7FLITE29
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

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:
Pin No.
10
11
12
1
2
3
4
5
6
7
8
9
16 V
17 V
18 RESET
19 PB0/AIN0/SS
20 PB1/AIN1/SCK
1
2
3
4
5
6
7
PB2/AIN2/MISO
PB3/AIN3/MOSI
PB4/AIN4/CLKIN I/O
PB5/AIN5
PB6/AIN6
PA7
PA6 /MCO/
ICCCLK/BREAK
SS
DD
Pin Name
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
T
= CMOS 0.3V
I/O C
I/O
I/O
I/O
I/O
I/O
I/O
I/O C
I/O
S
S
Table
Level
T
T
DD
C
C
C
C
C
C
C
C
T
T
T
T
T
T
T
T
1:
HS
/0.7V
X
X
X
X
X
X
X
X
X
DD
with input trigger
X
Port / Control
Input
ei3
ei2
ei1
ei1
X
X
X
X
X
X
X
Output
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
(after reset)
Ground
Main power supply
Top priority non maskable interrupt (active
low)
Port B0
Port B1
Port B2
Port B3
Port B4
Port B5
Port B6
Port A7
Port A6
Function
Main
ADC Analog Input 0 or SPI
Slave Select (active low)
ADC Analog Input 1 or SPI Se-
rial Clock
ADC Analog Input 2 or SPI
Master In/ Slave Out Data
ADC Analog Input 3 or SPI
Master Out / Slave In Data
ADC Analog Input 4 or Exter-
nal clock input
ADC Analog Input 5
ADC Analog Input 6
Main Clock Output or In Circuit
Communication Clock or Ex-
ternal BREAK
Caution: During reset, this pin
must be held at high level to
avoid entering ICC mode un-
expectedly (this is guaranteed
by the internal pull-up if the ap-
plication leaves the pin float-
ing).
Alternate Function
ST7LITE2
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