COP8TAB9 Datasheet, PDF (24/59 Pages) National Semiconductor (TI) – 8-Bit CMOS Flash Microcontroller with 2k Byte or 4k Byte Memory

11.0 In-System Programming (Continued)
Command
PGMTIM_SET
PAGE_ERASE
MASS_ERASE
READ_BYTE
TABLE 12. MICROWIRE/PLUS ISP Commands
Function
Write Pulse Timing
Register
Page Erase
Mass Erase
Command
Value (Hex)
0x3B
0xB3
0xBF
Parameters
Value
Starting Address of
Page
Confirmation Code
Read Byte
0x1D
Address High, Address
Low
BLOCKR
Block Read
0xA3
Address High, Address
Low, Byte Count (n)
High, Byte Count (n)
Low
0 ≤ n ≤ 32767
WRITE_BYTE
Write Byte
0x71
Address High, Address
Low, Data Byte
BLOCKW
Block Write
0x8F
Address High, Address
Low, Byte Count (0 ≤ n
≤ 16), n Data Bytes
EXIT
EXIT
0xD3
N/A
INVALID
N/A
Any other invalid
command will be
ignored
Note: The user must ensure that Block Writes do not cross a 64 byte boundary within one operation.
Return Data
N/A
N/A
N/A (The entire Flash
Memory will be erased)
Data Byte if Security not
set. 0xFF if Security set.
Option Register if address
= 0xFFFF, regardless of
Security
n Data Bytes if Security
not set.
n Bytes of 0xFF if
Security set.
N/A
N/A
N/A (Device will Reset)
N/A
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