UPD77533 datasheet(12/104 Pages) RENESAS

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Data Sheet S15671EJ4V0DS

µµµµPD77533

• RF control interface

Pin Name

Pin No.

I/O

Function

AGC

H11

Output

(3S)

Auto gain control

See Table 5-1 Output Values of AGC and DCOFF.

DCOFF

H12

Output

(3S)

DC offset control

See Table 5-1 Output Values of AGC and DCOFF.

RFON

H10

Output

RF power control

0: RF off

1: RF on

• A/D converter control

Pin Name

Pin No.

I/O

Function

ADSCK

K10

Output

A/D conversion clock output

ADDI3 to

ADDI0

K12, J11, J12 , J10

Input

A/D conversion data input (4 bits)

• Memory interface

Pin Name

Pin No.

I/O

Function

MCSB

Output

SnapShot memory chip select

Active-low signal.

MRDB

Output

SnapShot memory read strobe

Active-low signal.

MWRB

Output

SnapShot memory write strobe

Active-low signal.

MA19 to MA0

A4, B4, A3, B3, B2, C3, C1,

D2, D1, D3, E2, E1, E3, F1,

F3, G1, G2, H1, H3, H2

Output

SnapShot memory addresses (20 bits)

MD15 to MD0

J1, K2, L2, J3, L3, M3, L4,

M4, K4, L5, M5, K7, L6, K6,

M7, L7

I/O (3S)

SnapShot memory data (16 bits)

Remark

The MD15 to MD0 pins indicated by “3S” in the I/O column become high impedance when the SnapShot

memory (external data memory) is not accessed.

• Other

Pin Name

Pin No.

I/O

Function

I.C.

C6, D12, E10, E11, E12,

F12, G10

−

Internally connected pins

Leave these pins open.

I.C.-RL

F11

−

Internally connected pin

Connect to GND via a resistor.

A1, A11, A12, B5, B8, B12,

G12, L1, M1, M11, M12

−

Non connect pins

Leave these pins open.

Caution If a signal is input to these pins, or if they are read, the operation of the

µµµµPD77533 cannot be

guaranteed.

UPD77533 Datasheet(PDF) 12 Page - Renesas Technology Corp

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