ST7FOXK1 STMicroelectronics, ST7FOXK1 Datasheet - Page 16

• Manufacturer Part Number: ST7FOXK1
• Description: Low cost flash 8bit micro
• Manufacturer: STMicroelectronics

Specifications of ST7FOXK1

• 4 To 8 Kbytes Single Voltage Extended Flash (xflash) Program Memory With Read-out Protection In-circuit Programming And In-application Programming (icp And Iap) Endurance: 1K write/erase cycles guaranteed Data retention
• Clock Sources: Internal trimmable 8 MHz RC oscillator, auto wakeup internal low power - low frequency oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Auto Wakeup from Halt, Wait and Slow
• A/d Converter: up to 10 input channels

Pin description
Table 2.
16/226
10
11
12
13
number
1
2
3
4
5
6
8
9
Pin
10
12
13
14
15
16
17
5
6
7
8
9
PA7(HS)/I2CCLK/SS
PA3(HS)/ATPWM1
PA5 (HS)ATPWM3
Legend / Abbreviations for
Type: I = input, O = output, S = supply
In/Output level: C
Output level: HS = 20 mA high sink (on N-buffer only)
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.
Device pin description (32-pin packages)
I2CDATA/SCK
ATPWM2/MCO
OSC1/CLKIN
Pin name
PA4(HS)/
PA6(HS)/
Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog
Output: OD = open drain, PP = push-pull
RESET
V
V
V
V
OSC2
SSA
DDA
DD
SS
(2)
(3)
(3)
(3)
(3)
(2)
T
= CMOS 0.3V
I/O
I/O
I/O
I/O
I/O
O
S
S
S
S
I
C
C
C
C
C
Level
T
T
T
T
T
Table
HS
HS
HS
HS
HS
2:
DD
/0.7V
x
x
x
x
x
DD
x
Input
ei0
with input trigger
Port/control
ei0
ST7FOXF1, ST7FOXK1, ST7FOXK2
Output
T
T
x
x
x
x
x
x
x
Resonator oscillator output
inverter input or External
function
Port A3
Port A4
Port A5
Port A6
Port A7
Analog Ground Voltage
Analog Supply Voltage
Digital Ground Voltage
Digital Supply Voltage
reset)
(after
Main
Resonator oscillator
(HS)
(HS)
(HS)
(HS)
(HS)
clock input
Reset
I2CDATA/SPI
I2CCLK/SPI
slave select
(active low)
serial clock
ATPWM2/
Alternate
ATPWM1
ATPWM3
function
MCO