參數(shù)資料
型號: MSM7630
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: Universal Speech Processor(通用語音處理器)
中文描述: 通用語音處理器(通用語音處理器)
文件頁數(shù): 73/89頁
文件大小: 430K
代理商: MSM7630
MSM7630
Semiconductor
73/89
3.5 PCMD: PIO Command Register
This register specifies the parallel port mode and specifies whether interrupts are enabled or
disabled. It will be "00000000" after reset.
bit[7:6] PMOD
00 : Bus control mode
01 : Handshake control mode
1x : Software control mode
bit[5] POEN
0 : Output operation disabled
1 : Output operation enabled
bit[4] PIEN
0 : Input operation disabled
1 : Input operation enabled
bit[1] POIE
0 : Output buffer empty interrupts disabled
1 : Output buffer empty interrupts enabled
bit[0] PIIE
0 : Input buffer full interrupts disabled
1 : Input buffer full interrupts enabled
4. PIO Register Addresses
For the MSM7630, PIO register addresses are listed below.
0xFB000000
0xFB000004
0xFB000008
0xFB00000C
0xFB000010
PIO Input Buffer
PIO Output Buffer
PIO Direction Register
PIO Status Register
PIO Command Register
0
0 0
P
O
I
E
P
I
I
E
1
2
3
4
5
6
7
bit
P
M
O
D
P
I
E
N
P
O
E
N
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