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7643 Datasheet(PDF) 280 Page - Renesas Technology Corp

Part # 7643
Description  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  424 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7643 Datasheet(HTML) 280 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 159 of 202
7643 Group
REJ09B0133-0200
APPLICATION
2.6 USB
Initialization
CCR (Address 1F16)
FSM1 (Address 6D16)
FSM2 (Address 6E16)
FSD (Address 6F16)
FSC (Address 6C16)
USBC (Address 1316)
USBFIFOMR (Address 5F16)
USBIE1 (Address 5416)
USBINDEX (Address 5816)
IN_MAXP (Address 5B16)
IN_CSR (Address 5916)
UBRG (Address 3116)
UMOD (Address 3016)
UCON (Address 3316)
P4 (Address 1816)
P4D (Address 1916)
ICONA (Address 0516)
ICONB (Address 0616)
IREQA (Address 0216)
IREQB (Address 0316)
.....
8016
0016
FF16
0016
4116
1X1100X02
XXXXXX002
000001012
X00000012
0816
0XXXXXX02
4D16
010X00002
0100X0102
XXXXXX1X2
XXXXXX102
X1XXXXX12
XXXXXXX12
0016
0016
RESET
* Refer to the USB initial setting.
•
USB initial setting
(Interrupt disabled)
Endpoint1FIFO: IN128 bytes
Endpoint0, Endpoint1IN interrupts enabled
Max. packet size: 64 bytes
...
• UART initial setting
CTS function disabled, RTS function enabled,
φ as UART clock, 1 stop bit,
Parity checking disabled, 8-bit character length
receive enabled
• Others
P40: input, P41: output
USB function interrupt: enabled
UART receive buffer full interrupt: enabled
UART summing error interrupt: enabled
..... (Interrupt enabled)
USBIS1 (Address 5216),bit2
UCON (Address 3316),bit1
1
1
* In the initial setting, set the first UART receive to be enabled.
• Start processing
UART receive enabled
USB Endpoint 1 IN interrupt
RTI
Pop registers
Push registers to stack
Interrupt occurs
q x: This bit is not used here. Set it to “0” or “1” arbitrary.
Fig. 2.6.54 Control procedure (1)



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