参数资料
型号: MC68HC11C0MFN2
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC68
封装: PLASTIC, LCC-68
文件页数: 27/76页
文件大小: 394K
代理商: MC68HC11C0MFN2
MC68HC11C0
MOTOROLA
MC68HC11C0TS/D
33
PGEN[7:3], PGEN0 — Port G Enable Bits [7:3] and 0
PGENx must be set to output the corresponding chip select signal. PGENx overrides DDGx.
0 = Corresponding port G pin configured for output
1 = Corresponding port G pin configured for chip select function
MEM[1:0] — Memory Expansion Mode Select
MEM[1:0] select the memory expansion mode. Refer to the following table.
Port H has two bidirectional lines and shares functions with the PWM timer system. When a PWM timer
channel is enabled the corresponding port H pin becomes an output regardless of the state of the DDHx
Bits [7:2] — Not implemented
Always read zero.
DDH[1:0] — Data Direction for Port H
0 = Input
1 = Output
PGEN — Port G Enable
$0071
Bit 7
654321
Bit 0
PGEN7
PGEN6
PGEN5
PGEN4
PGEN3
MEM1
MEM0
PGEN0
RESET:
00000001
MEM1
MEM0
Memory Expansion Mode
PG1
PG2
0
64 Kbyte CPU Address, No Expansion
I/O
0
1
64 Kbyte CPU Address, 64 Kbyte Expansion
I/O
1
0
64 Kbyte CPU Address, 128 Kbyte Expansion
ADDR16
I/O
1
64 Kbyte CPU Address, 256 Kbyte Expansion
ADDR16
ADDR17
PORTH — Port H Data Register
$007C
Bit 7
654321
Bit 0
——————
PH1
PH0
RESET:
0000000
0
Alt. Pin
Func.:
——————
PW2
PW1
DDRH — Data Direction Register for Port H
$007D
Bit 7
654321
Bit 0
——————
DDH1
DDH0
RESET:
00000000
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