參數(shù)資料
型號: ZPSD813F1V
英文描述: Flash In System Programmable Mirocomputer Peripherals(閃速,在系統(tǒng)可編程微控制器外圍器件,1M位閃速存儲器,256K位EEPROM,16K位SRAM)
中文描述: Flash在系統(tǒng)可編程Mirocomputer外設(閃速,在系統(tǒng)可編程微控制器外圍器件,100萬位閃速存儲器,256K位的EEPROM,16K的位的SRAM)
文件頁數(shù): 64/130頁
文件大小: 650K
代理商: ZPSD813F1V
PSD813F Famly
Prelimnary
60
The
PSD813F
Functional
Blocks
(cont.)
RD
PSEL0
PSEL1
PSEL
VM REGISTER BIT 7
WR
PA0-PA7
D0-D7
DATA BUS
Figure 26. Peripheral I/OMode
9.4.3 Port Configuration Registers (PCRs)
Each port has a set of PCRs used for configuration. The contents of the registers can be
accessed by the microcontroller through normal read/write bus cycles at the addresses
given in Table 7. The addresses in Table 7 are the offsets in hex from the base of the
CSIOP register.
The pins of a port are individually configurable and each bit in the register controls its
respective pin. For example, Bit 0 in a register refers to Bit 0 of its port. The three PCRs,
shown in Table 23, are used for setting the port configurations. The default power-up state
for each register in Table 23 is 00h.
Register Name
Port
MCUAccess
Control
Direction
Drive Select*
A,B
A,B,C,D
A,B,C,D
Write/Read
Write/Read
Write/Read
Table 23. Port Configuration Registers
*
NOTE:
See Table 27 for Drive Register bit definition.
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