23 general register high byte (grh) -59, 23 general register high byte (grh), 24 general register sign extended low byte (grxl) – Maxim Integrated MAXQ7666 User Manual
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1.4.23 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 to 0 (GRH.7 to GRH.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.
1.4.24 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 to 0 (GRXL.15 to GRXL.0). This register provides the sign extend-
ed low byte of GR as a 16-bit source.
MAXQ7665/MAXQ7666 User’s Guide
1-59
Bit #
7
6
5
4
3
2
1
0
Name
GRH.7 GRH.6 GRH.5 GRH.4 GRH.3 GRH.2 GRH.1 GRH.0
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
GRXL.15 GRXL.14 GRXL.13 GRXL.12 GRXL.11 GRXL.10 GRXL.9 GRXL.8
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
GRXL.7 GRXL.6 GRXL.5 GRXL.4 GRXL.3 GRXL.2 GRXL.1 GRXL.0
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.
Maxim Integrated