PD72042B_15 Datasheet, PDF (45/92 Pages) Renesas Technology Corp – LSI DEVICE FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL

µPD72042B
LOR1
LOR2
Lock register
Address : 0100B (4H) (LOR1)
0101B (5H) (LOR2)
Read/write : Read
When reset : 0×H (LOR2)
LOR1 is undefined.
The LOR1 and LOR2 registers are used to hold a lock state.
LOR1 and LOR2 set a lock state and lock address after the lock state setting command is set in the CMR register
(LOCK = 1), then executed.
b7
b0
Lock address (low-order 8 bits)
LOR1
b7
b4
b3
b0
Lock state
Lock address (high-order 4 bits) LOR2
[Lock state]
0000: Not locked
0001: Locked
Remark When 0000 (not locked) is set in the lock state bits, any lock address value is ignored.
Data Sheet S13990EJ3V0DS
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