s3c4510b Samsung Semiconductor, Inc., s3c4510b Datasheet - Page 321

• Manufacturer Part Number: s3c4510b
• Description: 16/32-bit Risc Microcontroller
• Manufacturer: Samsung Semiconductor, Inc.

S3C4510B
HDLC STATUS REGISTER (HSTAT)
SUMMARY
There are two kinds of bits in a status register.
1. TxFA, TxCTS, RxFA, RxDCD, RxFV, RxCRCE, RxNO, RxIERR, and RxOV bits are show each bit's
2. All other bits are cleared by the CPU writing '1' to each bit.
Reading the HDLC status register is a non-destructive process. The method used to clear a High-level
status condition depends on the bit's function and operation mode (DMA or interrupt). For details, please
see the description of each status register.
status. These bits are set or cleared automatically according to the each bit status.
Registers
HSTATA
HSTATB
0x7008
0x8008
Offset
Table 8-10. HSTATA and HSTATB Register
R/W
R/W
R/W
HDLC Channel A Status Register
HDLC Channel B Status Register
NOTE
Description
HDLC CONTROLLERS
Reset Value
0X00000000
0X00000000
8-35