ST72C334N2B6 STMicroelectronics, ST72C334N2B6 Datasheet - Page 10

• Manufacturer Part Number: ST72C334N2B6
• Description: Microcontrollers (MCU) Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334N2B6

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 8 MHz
• Number Of Programmable I/os: 44
• Number Of Timers: 16 bit
• Operating Supply Voltage: 3.2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: SDIP-56
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Lead Free Status / Rohs Status: No

ST72334J/N, ST72314J/N, ST72124J
PIN DESCRIPTION (Cont’d)
Legend / Abbreviations:
Type:
Input level:
In/Output level: C = CMOS 0.3V
Output level:
Port configuration capabilities:
Note: the Reset configuration of each pin is shown in bold.
Table 1. Device Pin Description
10/125
10 2
11 3
12 4
13 5 7 2 PD0/AIN0
14 6 8 3 PD1/AIN1
15 7 9 4 PD2/AIN2
16 8 10 5 PD3/AIN3
17 9 11 6 PD4/AIN4
18 10 12 7 PD5/AIN5
19 11
20 12
21 13 13 8 V
22 14 14 9 V
23
24
25 15 15 10 PF0/MCO
26 16 16 11 PF1/BEEP
27 17 17 12 PF2
28
1 49
2 50
3 51
4 52
5 53 2 39 PB0
6 54 3 40 PB1
7 55 4 41 PB2
8 56 5 42 PB3
9 1 6 1 PB4
– Input:
– Output:
Pin n
PE4 (HS)
PE5 (HS)
PE6 (HS)
PE7 (HS)
PB5
PB6
PB7
PD6/AIN6
PD7/AIN7
V
V
NC
DDA
SSA
DD_3
SS_3
I = input, O = output, S = supply
A = Dedicated analog input
C
HS = high sink (on N-buffer only),
float = floating, wpu = weak pull-up, int = interrupt, ana = analog
OD = open drain, T = true open drain, PP = push-pull
Pin Name
T
= CMOS 0.3V
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
DD
I/O C
I/O C
I/O C
I/O C
I/O
S
S
S
S
DD
/0.7V
/0.7V
Level
T
T
T
T
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
DD
HS
HS
HS
HS
DD
,
with input trigger
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Input
EI2
EI2
EI2
EI3
EI3
EI3
EI1
EI1
EI2
EI3
EI1
Port
X
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
X
X
X
X
Not Connected
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
function
Port E4
Port E5
Port E6
Port E7
Port B0
Port B1
Port B2
Port B3
Port B4
Port B5
Port B6
Port B7
Port D0 ADC Analog Input 0
Port D1 ADC Analog Input 1
Port D2 ADC Analog Input 2
Port D3 ADC Analog Input 3
Port D4 ADC Analog Input 4
Port D5 ADC Analog Input 5
Port D6 ADC Analog Input 6
Port D7 ADC Analog Input 7
Analog Power Supply Voltage
Analog Ground Voltage
Digital Main Supply Voltage
Digital Ground Voltage
Port F0
Port F1
Port F2
reset)
(after
Main
Main clock output (f
Beep signal output
Alternate function
OSC
/2)