M306V8FJFP Datasheet, PDF (267/365 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M306V8FJFP
Port Pi direction register (i=0 to 7) (Note 1)
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PD0 to PD3
PD4 to PD7
Address
03E216, 03E316, 03E616, 03E716
03EA16, 03EB16, 03EE16, 03EF16
After reset
0016
0016
Bit symbol
PDi_0
PDi_1
PDi_2
PDi_3
PDi_4
PDi_5
PDi_6
PDi_7
Bit name
Port Pi0 direction bit
Port Pi1 direction bit
Port Pi2 direction bit
Port Pi3 direction bit
Port Pi4 direction bit
Port Pi5 direction bit
Port Pi6 direction bit
Port Pi7 direction bit
Function
RW
RW
0 : Input mode
(Functions as an input port)
RW
1 : Output mode
RW
(Functions as an output port) _RW
(i = 0 to 7)
RW
RW
RW
RW
Note 1: During memory extension and microprocessor modes, the PD register for the pins
functioning as bus control pins (A0 to A19, D0 to D15, CS0 to CS3, RD, WRL/WR, WRH/BHE,
ALE, RDY, HOLD, HLDA and BCLK) cannot be modified.
Port P8 direction register
b7 b6 b5 b4 b3 b2 b1 b0
0
00
Symbol
PD8
Address
03F216
After reset
00X000002
Bit symbol
(b1,b0)
PD8_2
Bit name
Reserved bit
Port P82 direction bit
PD8_3
Port P83 direction bit
Function
RW
Must be set to “0”.
RW
0 : Input mode
(Functions as an input port)
RW
1 : Output mode
(Functions as an output port) ^RW
(b4)
Reserved bit
Must be set to “0”.
RW
Nothing is assigned. In an attempt to write to this bit, write “0”.
(b5)
The value, if read, turns out to be indeterminate.
PD8_6
PD8_7
Port P86 direction bit
Port P87 direction bit
0 : Input mode
(Functions as an input port)
RW
1 : Output mode
(Functions as an output port) RW
Port P9 direction register
b7 b6 b5 b4 b3 b2 b1 b0
0 00 000
Symbol
PD9
Address
03F316
After reset
0016
Bit symbol
Bit name
PD9_0
Port P90 direction bit
PD9_1
Port P91 direction bit
Function
RW
0 : Input mode
(Functions as an input port)
RW
1 : Output mode
(Functions as an output port)
RW
(b7-b2)
Reserved bit
Must be set to “0”.
RW
Note: PD9 register should write PRC2 bit of PRCR register by the next command set to “1” (write-in permitted.)
Port P10 direction register
b7 b6 b5 b4 b3 b2 b1 b0
000
Symbol
PD10
Address
03F616
After reset
0016
Bit symbol
Bit name
Function
RW
(b2-b0)
Reserved bit
Must be set to “0”.
RW
PD10_3
PD10_4
PD10_5
PD10_6
Port P103 direction bit
Port P104 direction bit
Port P105 direction bit
Port P106 direction bit
0 : Input mode
RW
(Functions as an input port) RW
1 : Output mode
RW
(Functions as an output port)
RW
PD10_7
Port P107 direction bit
RW
Reserved register
b7 b6 b5 b4 b3 b2 b1 b0
11111111
Symbol
RSVREG03F7
RSVREG03FA
Address
03F716, 03FA16, 03FB16
After reset
0016
RSVREG03FB
Bit symbol
Bit name
Function
RW
(b7-b0)
Reserved bit
Must be set to “1”.
RW
Figure 17.7. PD0 to PD10 Registers
Rev.1.31 Apr 18, 2005 page 267 of 363
REJ03B0082-0131