Maxim Integrated MAXQ7667 - Manual (Page 63)

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MAXQ7667 User’s Guide
4.1.23 General Register High Byte (GRH)
Register Description: General Register High Byte
Register Name: GRH
Register Address: Module 0Eh, Index 09h
Bits 7 to 0: General Register High Byte Bits 7:0 (GRH[7:0]). This register reflects the high byte of the GR register and is intended
primarily for supporting byte operations on 16-bit data. Any data written to the GRH register will also be stored in the high byte of the
GR register.
4.1.24 General Register Sign Extended Low Byte (GRXL)
Register Description: General Register Sign Extended Low Byte
Register Name: GRXL
Register Address: Module 0Eh, Index 0Ah
Bits 15 to 0: General Register Sign Extended Low Byte Bits 15:0 (GRXL[15:0]). This register provides the sign extended low byte
of GR as a 16-bit source.
Bit # 7 6 5 4 3 2 1 0
Name GRH7 GRH6 GRH5 GRH4 GRH3 GRH2 GRH1 GRH0
Reset 0 0 0 0 0 0 0 0
Access rw rw rw rw rw rw rw rw
r = read, w = write
Note: This register is cleared to 00h on all forms of reset.
Bit # 15 14 13 12 11 10 9 8
Name GRXL15 GRXL14 GRXL13 GRXL12 GRXL11 GRXL10 GRXL9 GRXL8
Reset 0 0 0 0 0 0 0 0
Access r r r r r r r r
Bit # 7 6 5 4 3 2 1 0
Name GRXL7 GRXL6 GRXL5 GRXL4 GRXL3 GRXL2 GRXL1 GRXL0
Reset 0 0 0 0 0 0 0 0
Access r r r r r r r r
r = read
Note: This register is cleared to 0000h on all forms of reset.