参数资料
型号: ST72T774S9T1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP44
封装: TQFP-44
文件页数: 134/144页
文件大小: 1280K
代理商: ST72T774S9T1
ST72774/ST727754/ST72734
9/144
18
23
PD3/VFBACK/ITA
I/O
Port D3 or SYNC Vertical flyback input or interrupt fall-
ing edge detector input A
Refer to Figure 16 and
Table 11 Port D De-
scription
19
24
PD4/ITB
I/O
Port D4 or Interrupt falling edge detector input B
Refer to Table 11 Port
D Description
20
25
PD5/HFBACK
I/O
Port D5 or SYNC horizontal flyback input
TTL levels with pull-up
(SYNC input)
21
26
PD6/CLAMPOUT
I/O
Port D6 or SYNC clamping/ MOIRE output
22
27
PB0/SCLD
I/O
Port B0 or DDC serial clock
24
28
PB1/SDAD
I/O
Port B1 or DDC serial data
25
29
PB2/SCLI
I/O
Port B2 or I2C serial clock
26
30
PB3/SDAI
I/O
Port B3 or I2C serial data
27
31
PA7/BLANKOUT
I/O
Port A7 or SYNC blanking output
28
32
OSCOUT
O
Oscillator output
29
33
OSCIN
I
Oscillator input
30
34
PA6
I/O
Port A6
31
35
PA5
I/O
Port A5
32
36
PA4
I/O
Port A4
33
37
PA3
I/O
Port A3
34
38
PA2/VSYNCI2
I/O
Port A2 or SYNC vertical synchronisation input 2
DDC1 only
35
39
PA1
I/O
Port A1
36
40
RESET
I/O
Reset pin
Active low
37
41
TEST/VPP
S
Test mode pin or EPROM programming voltage. This
pin should be tied low in user mode.
38
42
PA0/OCMP1
I/O
Port A0 or TIMER output compare 1
Pin No.
Pin Name
Type
Description
Remarks
TQ
FP
4
SD
IP
4
2
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