參數(shù)資料
型號(hào): Z8018520FSC
廠商: ZILOG INC
元件分類: 微控制器/微處理器
英文描述: SMART PERIPHERAL CONTROLLERS
中文描述: MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 80/95頁
文件大小: 484K
代理商: Z8018520FSC
80
P R E L I M I N A R Y
Z80185/Z80195
S
MART
P
ERIPHERAL
C
ONTROLLERS
DS971850301
Zilog
System Configuration Register
This register controls a number of device-level features on
the Z80185 and includes the following control bits:
Daisy-Chain Configuration
ROM Emulator Mode (REME)
0 = Data Bus in Normal Mode
1 = Data Bus in ROM Emulator Mode
0 = ESCC CLK is PHI
1 = ESCC CLK is PHI/2
0 = /RTS0, /CTS0, CKA0
1 = TxS, RxS, CKS
Disable /ROMCS
0 = /ROMCS is Enabled
1 = /ROMCS is Disabled
Daisy-Chain Configuration
Decode High I/O
0 = A15-8 not decoded for
"non-180" registers.
1 = A15-8 must be 00 to
access "non-180" regs.
D7
D6
D5
D4
D3
D2
D1
D0
Figure 82. System Configuration Register
(I/O Address %ED)
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