tmp89fm42 TOSHIBA Semiconductor CORPORATION, tmp89fm42 Datasheet - Page 380

• Manufacturer Part Number: tmp89fm42
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

22.14 AC Characteristics (UART)
22. Serial PROM Mode
RA002
22.14.3Flash memory write command (0x30)
22.14.4Flash memory read command (0x40)
RXD
RXD
TXD
TXD
RXD
RXD
TXD
TXD
Number of read bytes
[23:16] [15:8] [7:0]
(0x00) (0x00) (0x01) (0xFF)
(0x30)
(0x40)
IntelHex(End Record)
CMtr3
CMtr3
[23:16] [15:8]
[23:16] [15:8]
Figure 22-9 Flash Memory Read Command
Figure 22-8 Flash Memory Write Command
PNSA
PNSA
CMrd
CMwr
[7:0]
[7:0]
Overwrite
detection
[23:16] [15:8]
(0x55) or (0xAA)
[23:16] [15:8]
PCSA
PCSA
Page 366
Memory data
[7:0]
[7:0]
CMfsm
Password string
Password string
[15:8] [7:0]
[15:8] [7:0]
Checksum
Checksum
(0x3A)
[23:16] [15:8] [7:0]
Read start address
IntelHex
Next command
Next command
CMnx
CMnx
TMP89FM42