7220 Datasheet, PDF (239/303 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPENDIX
6.6 SFR assignment
6.6 SFR assignment
sSFR Area (addresses C016 to DF16)
<Bit allocation >
:
: Name
Function bit
: No function bit
Address
Register
C016 Port P0 (P0)
C116 Port P0 direction register (D0)
C216 Port P1 (P1)
C316 Port P1 direction register (D1)
C416 Port P2 (P2)
C516 Port P2 direction register (D2)
C616 Port P3 (P3)
C716 Port P3 direction register (D3)
C816
C916
CA16 Port P5 (P5)
CB16 Port P5 direction register (D5)
CC16
CD16 Port P3 output mode control register (P3S)
CE16 DA-H register (DA-H)
CF16 DA-L register (DA-L)
D016 PWM0 register (PWM0)
D116 PWM1 register (PWM1)
D216 PWM2 register (PWM2)
D316 PWM3 register (PWM3)
D416 PWM4 register (PWM4)
D516 PWM output control register 1 (PW)
D616 PWM output control register 2 (PN)
D716 I² C data shift register (S0)
D816 I² C address register (S0D)
D916 I² C status register (S1)
DA16 I² C control register (S1D)
DB16 I² C clock control register (S2)
DC16 Serial I/O mode register (SM)
DD16 Serial I/O register (SIO)
DE16
DF16
0 ^{: Fix this bit to “0”}
(do not write “1”)
1 : Fix this bit to “1”
(do not write “0”)
Bit allocation
b7
b0
0 0 ^{P31S P30S}
PW7 PW6 PW5 PW4 PW3 PW2 PW1 PW0
PN4 PN3 PN2
D7 D6 D5 D4 D3 D2 D1 D0
SAD6 SAD5 SAD4 SAD3 SAD2 SAD1 SAD0 RBW
MST TRX BB PIN AL AAS AD0 LRB
BSEL1
BSEL0
10 BIT
SAD
ALS
ES0
BC2
BC1
BC0
ACK
ACK
BIT
FAST
MODE
CCR4
CCR3
CCR2
CCR1
CCR0
SM6 SM5 ₀ SM3 SM2 SM1 SM0
0016
0016
Fig. 6.6.1 SFR assignment (including internal state immediately after reset and access characteristics) (1)
(M37221Mx-XXXSP/FP)
6-20
7220 Group User’s Manual