參數(shù)資料
型號: ST72E754J9D0
廠商: 意法半導(dǎo)體
元件分類: ADC
英文描述: 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
中文描述: 8位USB單片機的顯示器,高達60K章檢察官辦公室,每1000內(nèi)存,模數(shù)轉(zhuǎn)換器,定時器,同步,材質(zhì)單元,脈寬調(diào)制/的BRM,的H / W DDC的
文件頁數(shù): 124/144頁
文件大?。?/td> 1280K
代理商: ST72E754J9D0
ST72774/ST727754/ST72734
80/144
USB INTERFACE (Cont’d)
4.6.4 Register Description
DMA ADDRESS REGISTER (DMAR)
Read / Write
Reset Value: Undefined
Bits 7:0=DA[15:8]
DMA address bits 15-8.
See the description of bits DA7-6 in the next
register (IDR).
INTERRUPT/DMA REGISTER (IDR)
Read / Write
Reset Value: xxxx 0000 (x0h)
Bits 7:6 = DA[7:6]
DMA address bits 7-6.
The software must write the start address of the
DMA memory area whose most significant bits are
given by DA15-DA6. The remaining 6 address bits
are set by hardware. See Figure 51.
Bits 5:4 = EP[1:0]
Endpoint number (read-only).
These bits identify the endpoint which required
attention.
00: Endpoint 0
01: Endpoint 1
10: Endpoint 2
When a CTR interrupt occurs (see register ISTR)
the software should read the EP bits to identify the
endpoint which has sent or received a packet.
Bits 3:0 = CNT[3:0]
Byte count (read only).
This field shows how many data bytes have been
received during the last data reception.
Note: Not valid for data transmission.
Figure 51. DMA buffers
70
DA15
DA14
DA13
DA12
DA11
DA10
DA9
DA8
70
DA7
DA6
EP1
EP0
CNT3
CNT2
CNT1
CNT0
Endpoint 0 RX
Endpoint 0 TX
Endpoint 2 RX
Endpoint 1 TX
000000
000111
001000
001111
010000
010111
011000
011111
DA15-6,000000
Endpoint 1 RX
Endpoint 2 TX
100000
100111
101000
101111
相關(guān)PDF資料
PDF描述
ST72E774J9D0 8-BIT USB MCU FOR MONITORS, WITH UP TO 60K OTP, 1K RAM, ADC, TIMER, SYNC, TMU, PWM/BRM, H/W DDC & I2C
ST72F324J2 8-BIT MCU WITH NESTED INTERRUPTS. FLASH. 10-BIT ADC. 4 TIMERS. SPI. SCI INTERFACE
ST72F324J4 8-BIT MCU WITH NESTED INTERRUPTS. FLASH. 10-BIT ADC. 4 TIMERS. SPI. SCI INTERFACE
ST72F324J6 8-BIT MCU WITH NESTED INTERRUPTS. FLASH. 10-BIT ADC. 4 TIMERS. SPI. SCI INTERFACE
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