ST72C334N2B6 STMicroelectronics, ST72C334N2B6 Datasheet - Page 114

• 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
MEMORY AND PERIPHERAL CHARACTERISTICS (Cont’d)
Measurement points are V
Figure 63. SPI Slave Timing Diagram CPHA=0, CPOL=0
Figure 64. SPI Slave Timing Diagram CPHA=0, CPOL=1
Figure 65. SPI Slave Timing Diagram CPHA=1, CPOL=0
Figure 66. SPI Slave Timing Diagram CPHA=1, CPOL=1
Note:
1) Measurement points are V
114/125
(OUTPU T)
(OUTPU T)
(OUTPUT)
(OUTPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
(INPUT)
MISO
MOSI
MISO
MOSI
MISO
MOSI
MISO
MOSI
SCK
SCK
SCK
SCK
SS
SS
SS
SS
HIGH-Z
HIGH-Z
8
8
HIGH-Z
HIGH-Z
8
8
6
6
2
2
2
2
OL
D7-OUT
D7-OUT
OL
D7-IN
D7-IN
4
5
, V
6
6
, V
5
4
OH
7
7
OH
, V
10
10
D7-IN
D7-IN
D7-OUT
D7-OUT
, V
IL
and V
IL
7
7
and V
5
4
4
5
IH
in the SPI timing diagram.
1
1
IH
1
1
10
10
in the SPI Timing Diagram
D6-OUT
D6-OUT
D6-IN
D6-IN
13
12
11
11
D6-OUT
D6-OUT
D6-IN
D6-IN
1)
1)
1)
1)
12
13
12
13
11
11
13
12
D0-IN
D0-IN
D0-OUT
D0-OUT
D0-IN
D0-IN
D0-OUT
D0-OUT
3
3
3
3
9
9
VR000113
VR000114
VR000111
VR000112
9
9