HD6413002 Datasheet, PDF (29/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

Table 1-3 Pin Functions (cont)
Type
Refresh
controller
Symbol
RFSH
CS₃
RD
HWR
LWR
DREQ₁,
DREQ₀
TEND₁,
TEND₀
TCLKD to
TCLKA
TIOCA₄ to
TIOCA₀
TIOCB₄ to
TIOCB₀
TOCXA₄
TOCXB₄
Pin No.
FP-100B,
TFP-100B FP-100A
87
89
88
90
70
72
71
73
72
74
9, 8
11, 10
94, 93
96, 95
96 to 93 98 to 95
I/O
Output
Output
Output
Output
Output
Input
Output
Input
Name and Function
Refresh: Indicates a refresh cycle
Row address strobe RAS: Row address
strobe signal for DRAM connected to area 3
Column address strobe CAS: Column
address strobe signal for DRAM connected
to area 3; used with 2WE DRAM.
Write enable: Write enable signal for DRAM
connected to area 3; used with 2CAS DRAM.
Upper write: Write enable signal for DRAM
connected to area 3; used with 2WE DRAM.
Upper column address strobe: Column
address strobe signal for DRAM connected
to area 3; used with 2CAS DRAM.
Lower write: Write enable signal for DRAM
connected to area 3; used with 2WE DRAM.
Lower column address strobe: Column
address strobe signal for DRAM connected
to area 3; used with 2CAS DRAM.
DMA request 1 and 0: DMAC activation
requests
Transfer end 1 and 0: These signals indicate
that the DMAC has ended a data transfer
Clock input D to A: External clock inputs
4, 2, 99,
97, 95
6, 4, 1,
99, 97
5, 3, 100, 7, 5, 2,
98, 96
100, 98
6
8
7
9
Input/
output
Input/
output
Output
Output
Input capture/output compare A4 to A0:
GRA4 to GRA0 output compare or input
capture, or PWM output
Input capture/output compare B4 to B0:
GRB4 to GRB0 output compare or input
capture, or PWM output
Output compare XA4: PWM output
Output compare XB4: PWM output
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