M37221M4H_15 Datasheet, PDF (19/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
■ 2 page register area (addresses 21716 to 21B16)
<Bit allocation>
:
: Name
Function bit
State immediately after reset>
0 ^{: “0” immediately after reset}
1 : “1” immediately after reset
: No function bit
0 ^{: Fix to this bit to “0”}
(do not write to “1”)
? : Indeterminate immediately
after reset
1 : Fix to this bit to “1”
(do not write to “0”)
Address
Register
b7
21716 ^{ROM correction address 1 (high-order)}
21816 ^{ROM correction address 1 (low-order)}
21916 ^{ROM correction address 2 (high-order)}
21A16 ^{ROM correction address 2 (low-order)}
21B16 ^{ROM correction enable register (RCR)}
Bit allocation
State immediately after reset
b0 b7
b0
0016
0016
0016
0016
0 0 RCR1 RCR0
0016
Note: Only M37221M4H/M6H/ M8H/MAH-XXXSP/FP and M37221EASP/FP have 2 pag.e register.
Fig. 8.2.5 Memory Map of 2 Page Register Area
Rev.1.00 Oct 01, 2002 page 17 of 110
REJ03B0134-0100Z