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TMS370 Datasheet(PDF) 2 Page - Texas Instruments

Part # TMS370
Description  8-BIT MICROCONTROLLER
PDF  49 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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TMS370Cx0x
8-BIT MICROCONTROLLER
SPNS029C – SEPTEMBER 1995 – REVISED FEBRUARY 1997
2
POST OFFICE BOX 1443
• HOUSTON, TEXAS 77251–1443
Pin Descriptions
28 PINS
LCC
I/O†
DESCRIPTION
NAME
NO.
A0
A1
A2
A3
A4
A5
A6
A7
14
13
11
10
9
8
7
3
I/O
Port A is a general-purpose bidirectional I / O port.
D3
D4
D5
D6
D7
28
26
15
1
2
I/O
Port D is a general-purpose bidirectional I / O port. D3 is also configurable as SYSCLK.
INT1
INT2
INT3
16
17
18
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
22
21
20
I/O
Timer1 input capture / counter reset input pin / general-purpose bidirectional pin
Timer1 PWM output pin / general-purpose bidirectional pin
Timer1 external event input pin / general-purpose bidirectional pin
SCITXD
SCIRXD
SCICLK
25
23
24
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
27
I/O
System reset bidirectional pin; as input pin, RESET initializes the microcontroller; as open-drain output,
RESET indicates that an internal failure was detected by watchdog or oscillator fault circuit.
MC
19
I
Mode control input pin; enables EEPROM write protection override (WPO) mode, also EPROM VPP
XTAL2 / CLKIN
XTAL1
5
6
I
O
Internal oscillator crystal input / External clock source input
Internal oscillator output for crystal
VCC
4
Positive supply voltage
VSS
12
Ground reference
† I = input, O = output
‡ The three-pin SCI configuration is referred to as SCI1.



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