參數(shù)資料
型號: UPD72042B
廠商: NEC Corp.
英文描述: LSI DEVICES FOR Inter Equipment BusTM (IEBusTM) PROTOCOL CONTROL
中文描述: LSI器件間設(shè)備BusTM(IEBusTM)協(xié)議控制
文件頁數(shù): 45/92頁
文件大小: 541K
代理商: UPD72042B
μ
PD72042A, 72042B
45
DATA SHEET S13990EJ2V0DS00
LOR1
LOR2
Address
: 0100B (4H) (LOR1)
0101B (5H) (LOR2)
: Read
Read/write
When reset : 0
×
H (LOR2)
Lock register
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
Lock state
b4
b3
b0
Lock address (high-order 4 bits)
LOR2
b7
b0
Lock address (low-order 8 bits)
LOR1
[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.
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