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TMS370 Datasheet(PDF) 2 Page - Texas Instruments

Part # TMS370
Description  8-BIT MICROCONTROLLER
PDF  60 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TMS370 Datasheet(HTML) 2 Page - Texas Instruments

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TMS370Cx2x
8-BIT MICROCONTROLLER
SPNS018C – FEBRUARY 1993 – REVISED FEBRUARY 1997
2
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251–1443
Pin Descriptions
PIN
†
NAME
DIP
(40)
PLCC
(44)
TYPE†
DESCRIPTION
A0
A1
A2
A3
A4
A5
A6
A7
18
17
16
15
14
13
11
10
20
19
18
17
16
15
13
12
I/O
Port A pins are general-purpose bidirectional I/O ports.
B0
B1
B2
B3
B4
B5
B6
B7
39
40
1
2
3
23
24
25
44
1
2
3
4
26
27
28
I/O
Port B pins are general-purpose bidirectional I/O ports.
C0
4
5
I/O
Port C pin is a general-purpose bidirectional I/O port.
D3
D4
D5
D6
D7
21
20
35
22
19
23
22
40
24
21
I/O
Port D pins are general-purpose bidirectional I/O ports. D3 is also configurable as SYSCLK.
INT1
INT2
INT3
6
7
8
7
8
9
I
I/O
I/O
External interrupt (non-maskable or maskable) general-purpose input pin
External maskable interrupt input/general-purpose bidirectional pin
External maskable interrupt input/general-purpose bidirectional pin
T1IC/CR
T1PWM
T1EVT
31
30
29
36
35
34
I/O
Timer 1 input-capture/counter-reset input pin/general-purpose bidirectional pin
Timer 1 pulse width modulation output pin/general-purpose bidirectional pin
Timer 1 external event-input pin/general-purpose bidirectional pin
SPISOMI
SPISIMO
SPICLK
28
27
26
32
31
30
I/O
SPI slave output pin, master input pin/general-purpose bidirectional pin
SPI slave input pin, master output pin/general-purpose bidirectional pin
SPI bidirectional serial clock pin/general-purpose bidirectional pin
SCITXD
SCIRXD
SCICLK
38
37
36
43
42
41
I/O
SCI transmit data output pin/general-purpose bidirectional pin‡
SCI receive data input pin/general-purpose bidirectional pin
SCI bidirectional serial clock pin/general-purpose bidirectional pin
RESET
5
6
I/O
System reset bidirectional pin; as input, RESET initializes microcontroller; as open-drain
output, RESET indicates an internal failure was detected by the watchdog or oscillator fault
circuit.
MC
34
39
I
Mode control-input pin. MC enables the EEPROM write-protection override (WPO) mode and
EPROM VPP.
XTAL2/CLKIN
XTAL1
33
32
38
37
I
O
Internal oscillator crystal input/external clock source input
Internal oscillator output for crystal
VCC
9
10
Positive supply voltage
VSS
12
14
Ground reference
NC
–
–
–
–
11
25
29
33
No connections
† I = input, O = output
‡ The three-pin configuration SCI is referred to as SCI1.



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