Specifications

S1C6P466 TECHNICAL MANUAL EPSON 15
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Memory Map)
Address Comment
D3 D2
Register
D1 D0 Name Init
∗1
10
FF32H
000R1HIZ
R R/W
0
∗ 3
0
∗ 3
0
∗ 3
R1HIZ
–
∗ 2
–
∗ 2
–
∗ 2
0 High-Z Output
Unused
Unused
Unused
R1 output high impedance control
FF33H
R13 R12 R11 R10
R/W
R13
R12
R11
R10
1
1
1
1
High
High
High
High
Low
Low
Low
Low
R10–R13 output port data
FF34H
000R2HIZ
R R/W
0
∗ 3
0
∗ 3
0
∗ 3
R2HIZ
–
∗ 2
–
∗ 2
–
∗ 2
0 High-Z Output
Unused
Unused
Unused
R2 output high impedance control
FF35H
R23 R22 R21 R20
R/W
R23
R22
R21
R20
1
1
1
1
High
High
High
High
Low
Low
Low
Low
R20–R23 output port data
FF40H
IOC03 IOC02 IOC01 IOC00
R/W
IOC03
IOC02
IOC01
IOC00
0
0
0
0
Output
Output
Output
Output
Input
Input
Input
Input
P00–P03 I/O control register
FF44H
IOC13 IOC12 IOC11 IOC10
R/W
IOC13
IOC12
IOC11
IOC10
0
0
0
0
Output
Output
Output
Output
Input
Input
Input
Input
P13 I/O control register
functions as a general-purpose register when SIF (slave) is selected
P12 I/O control register (ESIF=0)
functions as a general-purpose register when SIF is selected
P11 I/O control register (ESIF=0)
functions as a general-purpose register when SIF is selected
P10 I/O control register (ESIF=0)
functions as a general-purpose register when SIF is selected
FF45H
PUL13 PUL12 PUL11 PUL10
R/W
PUL13
PUL12
PUL11
PUL10
1
1
1
1
On
On
On
On
Off
Off
Off
Off
P13 pull-up control register
functions as a general-purpose register when SIF (slave) is selected
P12 pull-up control register (ESIF=0)
functions as a general-purpose register when SIF (master) is selected
SCLK (I) pull-up control register when SIF (slave) is selected
P11 pull-up control register (ESIF=0)
functions as a general-purpose register when SIF is selected
P10 pull-up control register (ESIF=0)
SIN pull-up control register
when SIF is selected
FF46H
P13 P12 P11 P10
R/W
P13
P12
P11
P10
–
∗ 2
–
∗ 2
–
∗ 2
–
∗ 2
High
High
High
High
Low
Low
Low
Low
P13 I/O port data
functions as a general-purpose register when SIF (slave) is selected
P12 I/O port data (ESIF=0)
functions as a general-purpose register when SIF is selected
P11 I/O port data (ESIF=0)
functions as a general-purpose register when SIF is selected
P10 I/O port data (ESIF=0)
functions as a general-purpose register when SIF is selected
FF41H
PUL03 PUL02 PUL01 PUL00
R/W
PUL03
PUL02
PUL01
PUL00
1
1
1
1
On
On
On
On
Off
Off
Off
Off
P00–P03 pull-up control register
FF42H
P03 P02 P01 P00
R/W
P03
P02
P01
P00
–
∗ 2
–
∗ 2
–
∗ 2
–
∗ 2
High
High
High
High
Low
Low
Low
Low
P00–P03 I/O port data
Table 4.1.1 (b) I/O memory map (FF32H–FF46H)