ST52T440F3M6 STMicroelectronics, ST52T440F3M6 Datasheet - Page 49

• Manufacturer Part Number: ST52T440F3M6
• Description: MCU 8-Bit ST52 CISC 8KB EPROM 5V 20-Pin SO
• Manufacturer: STMicroelectronics

Specifications of ST52T440F3M6

• Package: 20SO
• Family Name: ST52
• Maximum Speed: 20 MHz
• Ram Size: 256 Byte
• Program Memory Size: 8 KB
• Operating Supply Voltage: 5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 13
• On-chip Adc: 6-chx12-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 1

Table 6.5 - Port A - REG_CONF 12
(*) Not available in ST52x400xx
Table 6.6 - Port B - REG_CONF 13
(
*) Not available in ST52x400F/440F/441F
X = 0 Pin set as Alternate Function Output
Bit
Bit
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
X = 1 Pin set as Digital I/O
Reset Configuration ‘1111’
Reset Configuration ‘11111111’
Name
Name
X = 0 Pin set as Output
D0
D1
D2
D3
D4
D5
D6
D7
X = 1 Pin set as Input
D0
D1
D2
D3
D4
D5
D6
D7
Value
Value
X
X
X
X
X
X
X
X
X
X
X
X
Pin Description
PA7/ACSYNC(*)
PA0/TROUT
PA2/TOUTN
Related Pin
PA6/TOUT
not used
not used
not used
not used
PB4(*)
PB5(*)
PB6(*)
PB0
PB1
PB2
PB3
PB7
Table 6.7 Analog Inputs REG_CONF 14
(*) Not available in ST52x400xx
(**) Not available in ST52x440F/441F
Table 6.8 - Port C - REG_CONF 11
(*)
(**)
Not used in ST52x400F/440F/441F
Must be set to 1
Reset Configuration ‘11111111’
Bit
0
1
2
3
4
5
6
7
Bit
0
1
2
3
4
5
6
7
Reset Configuration ‘00000000’
X = 1 Pin set as Analog Input
X = 0 Pin set as Digital Output
Name
X = 0 Pin set as Digital I/O
X = 1 Pin set as Digital Input
D0
D1
D2
D3
D4
D5
D6
D7
Name
D0
D1
D2
D3
D4
D5
D6
D7
ST52T400/T440/E440/T441
Value
X
X
X
X
X
X
X
X
Value
X
X
X
X
X
1
Pin Description
PB4/AC4(*)(**)
PB5/AC5(*)(**)
PB6/BG(*)(**)
PB7/CS(*)(**)
PB0/AC0(*)
PB1/AC1(*)
PB2/AC2(*)
PB3/AC3(*)
Related Pin
not used
not used
PC1
PC2
PC3
PC4
PC0
(**)
(*)
(*)
(*)
(*)
(*)
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