參數(shù)資料
型號: CCU3000-I
廠商: MICRONAS SEMICONDUCTOR HOLDING AG
元件分類: 微控制器/微處理器
英文描述: Central Control Unit
中文描述: MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 61/77頁
文件大小: 837K
代理商: CCU3000-I
CCU 3000, CCU 3000-I
CCU 3001, CCU 3001-I
MICRONAS INTERMETALL
61
6. Addendum: CCU 3000, CCU 3000-I EMU Versions
The CCU 3000 TCs 10, 12, 16, 1, and CCU 3000-I TCs
1 and 3 are emulator versions (EMUs). They differ from
production versions in the programmability of control
register bit 5: If this bit is set to 0, the CCU assumes to
have a clock signal at its X1-pin instead of a crystal con-
nected at pins X1 and X2. X2, in that case, works as a
clock output delivering the inverted processor
Φ
2 output
signal.
fosc
Position shown:
XTAL-mode
Fig. 6–1:
X1, X2
Φ
2
Φ
2-switch
Φ
2-switch
4
3
0201H
Control Register
Bit
Reset
Read
Write
7
copy
from
addr.
FFF9H
x
no function – set to ‘1’ (to keep
compatibility)
6
x
no function – set to ‘1’ (to keep
compatibility)
5
PHI2-out: ‘0’ = active, ‘1’ = inactive
PHI2-out: ‘0’ = active, ‘1’ = inactive
4
external bus: ‘1’ = bus on ports 0, 1, 2
disabled
Bus disable: ‘1’ = disable bus on ports
0, 1, 2
3
R/W signal / Port4: ‘0’ = R/W, ‘1’ = P40
R/W signal / Port4: ‘0’ = R/W, ‘1’ = P40
2
internal ROM: ‘1’ = internal ROM
enabled
ROM enable: ‘1’ = enable internal ROM
1
internal RAM: ‘1’ = internal RAM enabled
RAM enable: ‘1’ = enable internal RAM
0
internal CPU: ‘1’ = internal CPU enabled
CPU enable: ‘1’ = enable internal CPU
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