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MYSON
TECHNOLOGY
MTV212M64
(Rev. 1.2)
Revision 1.2
- 2 -
2000/07/04
DEVICE SUMMARY
The MTV212M is the MTP (Multi-Time Programming) type device for all of MTV212A mask ROM derivatives,
the memory size and package differences please see the table below:
Part Number
USB
ROM
RAM
Package
MTV212A16
No
16K
256
PDIP40, SDIP42, PLCC44
MTV212A24
No
24K
512
PDIP40, SDIP42, PLCC44
MTV212A32
No
32K
512
PDIP40, SDIP42, PLCC44
MTV212A32U
Yes
32K
768
PDIP40, SDIP42, PLCC44
MTV212A48U
Yes
48K
768
PDIP40, SDIP42, PLCC44
MTV212A64U
Yes
64K
1024
PDIP40, SDIP42, PLCC44
The use of Auxiliary RAM (AUXRAM) is limited for targeted mask ROM, the allowable XBANK (35h) bank
selection is defined as the table below:
Part Number
RAM
Xbnk2
Xbnk1
Xbnk0
MTV212A16
256
-
-
-
MTV212A24
512
0
0
0
0
0
1
MTV212A32
512
0
0
0
0
0
1
MTV212A32U
768
0
0
0
0
0
1
0
1
0
0
1
1
MTV212A48U
768
0
0
0
0
0
1
0
1
0
0
1
1
MTV212A64U
1024
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
Remark:
The major pin connection differences between USB (MTV212M64U) and non-USB (MTV212M64) types are
pin# 4, #5 and #6 for SDIP42 and PLCC44. The pin name of USB device is V33CAP(#4), VM(#5) and
VP(#6), while NC (No Connection) for non-USB device.