ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 9

• Manufacturer Part Number: ST72T774J9B1
• Manufacturer: STMicroelectronics

Specifications of ST72T774J9B1

• Cpu Family: ST7
• Device Core Size: 8b
• Frequency (max): 24MHz
• Interface Type: I2C/USB
• Program Memory Type: EPROM
• Program Memory Size: 60KB
• Total Internal Ram Size: 1KB
• # I/os (max): 31
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 1-chx8-bit
• On-chip Dac: 1-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 42
• Package Type: SPDIP
• Lead Free Status / Rohs Status: Specific Sites Compliant

Pin No.
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
TEST/V
PD3/VFBACK/ITA
PD4/ITB
PD5/HFBACK
PD6/CLAMPOUT
PB0/SCLD
PB1/SDAD
PB2/SCLI
PB3/SDAI
PA7/BLANKOUT
OSCOUT
OSCIN
PA6
PA5
PA4
PA3
PA2/VSYNCI2
PA1
RESET
PA0/OCMP1
Pin Name
PP
Type
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
O
S
I
Port D3 or SYNC Vertical flyback input or interrupt fall-
ing edge detector input A
Port D4 or Interrupt falling edge detector input B
Port D5 or SYNC horizontal flyback input
Port D6 or SYNC clamping/ MOIRE output
Port B0 or DDC serial clock
Port B1 or DDC serial data
Port B2 or I2C serial clock
Port B3 or I2C serial data
Port A7 or SYNC blanking output
Oscillator output
Oscillator input
Port A6
Port A5
Port A4
Port A3
Port A2 or SYNC vertical synchronisation input 2
Port A1
Reset pin
Test mode pin or EPROM programming voltage. This
pin should be tied low in user mode.
Port A0 or TIMER output compare 1
Description
ST72774/ST727754/ST72734
Table 11 Port D De-
scription
Refer to
D Description
TTL levels with pull-up
(SYNC input)
DDC1 only
Active low
Refer to
Remarks
Figure 16
Table 11 Port
9/144
and