
Rev. 2.0, 11/00, page 444 of 1037
23.1.3
Pin Configuration
Table 23.1 shows the serial pins used by the SCI1.
Table 23.1 SCI Pins
Channel
Pin Name
Symbol
I/O
Function
Serial clock pin 1
SCK1
I/O
SCI1 clock input/output
Receive data pin 1
SI1
Input
SCI1 receive data input
1
Transmit data pin 1
SO1
Output
SCI1 transmit data output
23.1.4
Register Configuration
The SCI1 has the internal registers shown in table 23.2. These registers are used to specify
asynchronous mode or synchronous mode, the data format, and the bit rate, and to control the
transmitter/receiver.
Table 23.2 SCI Registers
Channel
Name
Abbrev.
R/W
Initial Value
Address
*
1
Serial mode register 1
SMR1
R/W
H'00
H'D148
Bit rate register 1
BRR1
R/W
H'FF
H'D149
Serial control register 1
SCR1
R/W
H'00
H'D14A
Transmit data register 1
TDR1
R/W
H'FF
H'D14B
Serial status register 1
SSR1
R/(W)
*
2
H'84
H'D14C
Receive data register 1
RDR1
R
H'00
H'D14D
1
Serial interface mode register 1
SCMR1
R/W
H'F2
H'D14E
MSTPCRH
R/W
H'FF
H'FFEC
Common
Module stop control register
MSTPCRL
R/W
H'FF
H'FFED
Notes: 1. Lower 16 bits of the address.
2. Only 0 can be written, to clear flags.
Содержание Hitachi H8S/2191
Страница 123: ...Rev 2 0 11 00 page 96 of 1037...
Страница 149: ...Rev 2 0 11 00 page 122 of 1037...
Страница 197: ...Rev 2 0 11 00 page 170 of 1037...
Страница 247: ...Rev 2 0 11 00 page 220 of 1037...
Страница 249: ...Rev 2 0 11 00 page 222 of 1037...
Страница 347: ...Rev 2 0 11 00 page 320 of 1037...
Страница 357: ...Rev 2 0 11 00 page 330 of 1037...
Страница 417: ...Rev 2 0 11 00 page 390 of 1037...
Страница 431: ...Rev 2 0 11 00 page 404 of 1037...
Страница 439: ...Rev 2 0 11 00 page 412 of 1037...
Страница 457: ...Rev 2 0 11 00 page 430 of 1037...
Страница 525: ...Rev 2 0 11 00 page 498 of 1037...
Страница 543: ...Rev 2 0 11 00 page 516 of 1037...
Страница 639: ...Rev 2 0 11 00 page 612 of 1037 28 1 2 Block Diagram Figure 28 1 shows a block diagram of the servo circuits...
Страница 845: ...Rev 2 0 11 00 page 818 of 1037...