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DEVICE-NUMBERING CONVENTIONS
1–13
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
device-numbering conventions
Prefix: TMS =
Qualified
System evaluator (window EEPROM)
TMS370 Microcontroller Family
Complementary Metal-Oxide Semiconductor (CMOS)
Mask-ROM and EEPROM
ROM-less, no Data EEPROM
ROM-less, and EEPROM
Mask-ROM, no Data EEPROM
ROM Memory with Security and EEPROM
EPROM, no Data EEPROM
EPROM and EEPROM
SE =
370 =
C =
0 =
1 =
2 =
3 =
4 =
6 =
7 =
Family:
Technology:
Program Memory Types:
Device Type:
External
Memory T1
Extra
No
T2A
T2B
SCI
SCI1
SPI
ADC PIOPACT Pins
0 =
1 =
2 =
3 =
4 =
5 =
6 =
7 =
8 =
9 =
A =
B =
C =
√
√
√
28
28
√
√
SCI1
40/44
44
40/44
64/68
68
64/68
40/44
40/44
40
64/68
28
ADC1
ADC1
ADC1
ADC1
ADC1
√
√
√
√
√
√
√
√
√
√
√
√
√
√
SCI1
SCI1
SCI1
√
√
√
√
√
√
ADC3
√
SCI1
ADC1
ADC2
√
SCI2
Temperature Ranges:
A =
L =
T =
–40
°
C to 85
°
C
0
°
C to 70
°
C
–40
°
C to 105
°
C
Package Types:
TI
Pkg
Type
CDIP
CLCC
CSDIP
CSDIP
No.
Pins
28/40
28/44/68
40
64
TI
Pkg
Type
PDIP
PLCC
PSDIP
PSDIP
No.
Pins
28/40
28/44/68
40
64
Code
JD
FZ
JC
JN
Code
N
FN
NJ§ =
NM
=
=
=
=
=
=
=
ROM and EEPROM Option:
For ROM:
A =
Selectable clock as
configured as one of the three mask options: standard
watchdog, hard watchdog, or simple counter.
Standard watchdog and
4 OSC, low-power modes enabled
Standard watchdog and
4 OSC, low-power modes enabled
Standard watchdog and
4 OSC, low-power modes enabled
Hard watchdog and
1 PLL, low-power modes enabled
Standard watchdog and
4 OSC, low-power modes enabled
4 or
1 (PLL) and a watchdog timer
None =
A =
A =
B =
None =
For ROM-less:
For EPROM:
Program Memory Size:
No.
0
1
2
3
Size
No.
6
7
8
9
Size
=
=
=
=
4K bytes
2K bytes
8K bytes
12K bytes
=
=
=
=
16K bytes
24K bytes
32K bytes
48K bytes
Extra peripheral I/O
For device type No. 3 the TMS370Cx32 device has no SPI; the TMS370Cx36 device has an SPI.
§NJ package was formerly known as N2.
TMS 370 C 7 1 2 A FN T
Figure 1. TMS370C Family Nomenclature