ST72C334J2B6 STMicroelectronics, ST72C334J2B6 Datasheet - Page 10

• Manufacturer Part Number: ST72C334J2B6
• Description: 8-bit Microcontrollers - MCU Flash 8K SPI/SCI
• Manufacturer: STMicroelectronics

Specifications of ST72C334J2B6

• Product Category: 8-bit Microcontrollers - MCU
• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3.2 V to 5.5 V
• Package / Case: SDIP-42
• Mounting Style: Through Hole
• A/d Bit Size: 8 bit
• A/d Channels Available: 8
• Data Rom Size: 256 B
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 32
• Number Of Timers: 4 bit
• Program Memory Type: Flash
• Factory Pack Quantity: 13
• Supply Voltage - Max: 5 V
• Supply Voltage - Min: 3.2 V

ST72334J/N, ST72314J/N, ST72124J
PIN DESCRIPTION (Cont’d)
For external pin connection guidelines, refer to
107.
Legend / Abbreviations for
Type:
Input level:
In/Output level: C = CMOS 0.3V
Output level:
Port and control configuration:
Refer to
ports.
The RESET configuration of each pin is shown in bold. This configuration is valid as long as the device is
in reset state.
Table 1. Device Pin Description
10/153
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
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°
Section 12 "I/O PORTS" on page 39
PE4 (HS)
PE5 (HS)
PE6 (HS)
PE7 (HS)
PB5
PB6
PB7
PD6/AIN6
PD7/AIN7
V
DDA
SSA
DD_3
I = input, O = output, S = supply
A = Dedicated analog input
C
HS = 20mA high sink (on N-buffer only)
float = floating, wpu = weak pull-up, int = interrupt
OD = open drain
Pin Name
T
= CMOS 0.3V
Table
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
DD
2)
1:
, PP = push-pull
/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
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
HS
HS
HS
HS
DD
DD
,
with input trigger
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Section 16 "ELECTRICAL CHARACTERISTICS" on page
for more details on the software configuration of the I/O
Input
X
X
X
X
X
X
X
X
X
X
X
X
ei2
ei2
ei2
ei3
ei3
ei3
ei2
ei3
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
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1)
function
, ana = analog
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
reset)
(after
Main
Alternate function