Datasheet

 2018 Microchip Technology Inc. Data Sheet Complete DS40002060A-page 114
ATtiny4/5/9/10
15.7.3 TPISR – Tiny Programming Interface Status Register
• Bits 7:2, 0 – Res: Reserved Bits
These bits are reserved and will always read zero.
• Bit 1 – NVMEN: Non-Volatile Memory Programming Enabled
NVM programming is enabled when this bit is set. The external programmer can poll this bit to verify the interface has been
successfully enabled.
NVM programming is disabled by writing this bit to zero.
Bit 76543210
CSS: 0x00
– – – – – –NVMEN– TPIPCR
Read/WriteRRRRRRR/WR
Initial Value00000000